12653259904 has 32 divisors (see below), whose sum is σ = 25212821040. Its totient is φ = 6325336320.

The previous prime is 12653259887. The next prime is 12653259907. The reversal of 12653259904 is 40995235621.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (12653259907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055287 + ... + 1067209.

Almost surely, 2^12653259904 is an apocalyptic number.

It is an amenable number.

12653259904 is a deficient number, since it is larger than the sum of its proper divisors (12559561136).

12653259904 is an equidigital number, since it uses as much as digits as its factorization.

12653259904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20228 (or 20216 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 12653259904 in words is "twelve billion, six hundred fifty-three million, two hundred fifty-nine thousand, nine hundred four".