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Properties of the Number 12670

Twelve Thousand Six Hundred Seventy

Basics

Value: 12669 → 12670 → 12671

Parity: even

Prime: No

Previous Prime: 12659

Next Prime: 12671

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 7 × 181

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 181, 362

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000101111110

Octal: 30576

Duodecimal: 73BA

Hexadecimal: 317e

Square: 160528900

Square Root: 112.56109452204167

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Weird numbers: abundant (A005101) but not pseudoperfect (A005835). A6037
Number of subsets of {1..n} (including empty set) such that the pairwise sums of distinct elements are all distinct. A196723
Number of ways to choose a partition, with odd parts, of each part of a partition of n into odd parts. A300301
Unitary weird numbers: unitary abundant (A034683) but not unitary pseudoperfect (A293188). A64114
Expansion of ∏k>=1 (1 + x2·k-1)k. A263140
T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum equal to 0 3 5 6 or 8. A252352
Bi-unitary weird numbers: bi-unitary abundant numbers (A292982) that are not bi-unitary pseudoperfect (A292985). A292986
Infinitary weird numbers: infinitary abundant numbers (A129656) that are not infinitary pseudoperfect numbers (A306983). A306984
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column. A251481
Numbers with exactly 4 distinct palindromic prime factors. A46402