12957925976 has 64 divisors (see below), whose sum is σ = 26435808000. Its totient is φ = 5934764160.

The previous prime is 12957925973. The next prime is 12957925993. The reversal of 12957925976 is 67952975921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12957925973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535205 + ... + 558891.

It is an arithmetic number, because the mean of its divisors is an integer number (413059500).

Almost surely, 2^12957925976 is an apocalyptic number.

It is an amenable number.

12957925976 is an abundant number, since it is smaller than the sum of its proper divisors (13477882024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12957925976 is a wasteful number, since it uses less digits than its factorization.

12957925976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23832 (or 23828 counting only the distinct ones).

The product of its digits is 21432600, while the sum is 62.

The spelling of 12957925976 in words is "twelve billion, nine hundred fifty-seven million, nine hundred twenty-five thousand, nine hundred seventy-six".