13029323520 has 72 divisors (see below), whose sum is σ = 41612414256. Its totient is φ = 3474485248.

The previous prime is 13029323507. The next prime is 13029323537. The reversal of 13029323520 is 2532392031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692687 + ... + 1700366.

It is an arithmetic number, because the mean of its divisors is an integer number (577950198).

Almost surely, 2^13029323520 is an apocalyptic number.

13029323520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13029323520 is an abundant number, since it is smaller than the sum of its proper divisors (28583090736).

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

13029323520 is an equidigital number, since it uses as much as digits as its factorization.

13029323520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393077 (or 3393063 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The spelling of 13029323520 in words is "thirteen billion, twenty-nine million, three hundred twenty-three thousand, five hundred twenty".