13312128928 has 24 divisors (see below), whose sum is σ = 29952290592. Its totient is φ = 5705198016.

The previous prime is 13312128913. The next prime is 13312128959. The reversal of 13312128928 is 82982121331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29714350 + ... + 29714797.

It is an arithmetic number, because the mean of its divisors is an integer number (1248012108).

Almost surely, 2^13312128928 is an apocalyptic number.

It is an amenable number.

13312128928 is an abundant number, since it is smaller than the sum of its proper divisors (16640161664).

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

13312128928 is an equidigital number, since it uses as much as digits as its factorization.

13312128928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59429164 (or 59429156 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The spelling of 13312128928 in words is "thirteen billion, three hundred twelve million, one hundred twenty-eight thousand, nine hundred twenty-eight".