13513023520 has 48 divisors (see below), whose sum is σ = 32175940608. Its totient is φ = 5362640640.

The previous prime is 13513023467. The next prime is 13513023547. The reversal of 13513023520 is 2532031531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312186 + ... + 352825.

It is an arithmetic number, because the mean of its divisors is an integer number (670332096).

Almost surely, 2^13513023520 is an apocalyptic number.

13513023520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13513023520 is an abundant number, since it is smaller than the sum of its proper divisors (18662917088).

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

13513023520 is a wasteful number, since it uses less digits than its factorization.

13513023520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665153 (or 665145 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 13513023520 in words is "thirteen billion, five hundred thirteen million, twenty-three thousand, five hundred twenty".