12976931 has 8 divisors (see below), whose sum is σ = 14183424. Its totient is φ = 11774920.

The previous prime is 12976907. The next prime is 12976939. The reversal of 12976931 is 13967921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12976931 - 2¹⁸ = 12714787 is a prime.

It is a super-2 number, since 2×12976931² = 336801476357522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12976939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8810 + ... + 10176.

It is an arithmetic number, because the mean of its divisors is an integer number (1772928).

Almost surely, 2^12976931 is an apocalyptic number.

12976931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12976931 is a deficient number, since it is larger than the sum of its proper divisors (1206493).

12976931 is a wasteful number, since it uses less digits than its factorization.

12976931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241.

The product of its digits is 20412, while the sum is 38.

The square root of 12976931 is about 3602.3507602675. The cubic root of 12976931 is about 234.9943019593.

It can be divided in two parts, 1297 and 6931, that added together give a palindrome (8228).

The spelling of 12976931 in words is "twelve million, nine hundred seventy-six thousand, nine hundred thirty-one".