12926963556 has 96 divisors (see below), whose sum is σ = 37337059200. Its totient is φ = 3840359040.

The previous prime is 12926963461. The next prime is 12926963561. The reversal of 12926963556 is 65536962921.

It is a happy number.

12926963556 is a `hidden beast` number, since 1 + 2 + 9 + 26 + 9 + 63 + 556 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118030 + ... + 199461.

It is an arithmetic number, because the mean of its divisors is an integer number (388927700).

Almost surely, 2^12926963556 is an apocalyptic number.

It is an amenable number.

12926963556 is an abundant number, since it is smaller than the sum of its proper divisors (24410095644).

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

12926963556 is a wasteful number, since it uses less digits than its factorization.

12926963556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317546 (or 317538 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 54.

The spelling of 12926963556 in words is "twelve billion, nine hundred twenty-six million, nine hundred sixty-three thousand, five hundred fifty-six".