13104403992 has 32 divisors (see below), whose sum is σ = 36401122800. Its totient is φ = 4368134592.

The previous prime is 13104403967. The next prime is 13104403993. The reversal of 13104403992 is 29930440131.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104403993) 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, 30334053 + ... + 30334484.

Almost surely, 2^13104403992 is an apocalyptic number.

13104403992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13104403992 is an abundant number, since it is smaller than the sum of its proper divisors (23296718808).

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

13104403992 is a wasteful number, since it uses less digits than its factorization.

13104403992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60668552 (or 60668542 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 13104403992 in words is "thirteen billion, one hundred four million, four hundred three thousand, nine hundred ninety-two".