12904813772 has 24 divisors (see below), whose sum is σ = 22863876672. Its totient is φ = 6372334800.

The previous prime is 12904813771. The next prime is 12904813841. The reversal of 12904813772 is 27731840921.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12904813771) 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, 1220147 + ... + 1230677.

It is an arithmetic number, because the mean of its divisors is an integer number (952661528).

Almost surely, 2^12904813772 is an apocalyptic number.

It is an amenable number.

12904813772 is a deficient number, since it is larger than the sum of its proper divisors (9959062900).

12904813772 is a wasteful number, since it uses less digits than its factorization.

12904813772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14309 (or 14307 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 12904813772 in words is "twelve billion, nine hundred four million, eight hundred thirteen thousand, seven hundred seventy-two".