13793321320 has 64 divisors (see below), whose sum is σ = 32689252800. Its totient is φ = 5223605760.

The previous prime is 13793321309. The next prime is 13793321351. The reversal of 13793321320 is 2312339731.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1414060 + ... + 1423780.

It is an arithmetic number, because the mean of its divisors is an integer number (510769575).

Almost surely, 2^13793321320 is an apocalyptic number.

13793321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13793321320 is an abundant number, since it is smaller than the sum of its proper divisors (18895931480).

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

13793321320 is a wasteful number, since it uses less digits than its factorization.

13793321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11618 (or 11614 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 34.

The spelling of 13793321320 in words is "thirteen billion, seven hundred ninety-three million, three hundred twenty-one thousand, three hundred twenty".