13313520504 has 64 divisors (see below), whose sum is σ = 37450176000. Its totient is φ = 4381659360.

The previous prime is 13313520503. The next prime is 13313520511. The reversal of 13313520504 is 40502531331.

13313520504 is a `hidden beast` number, since 1 + 3 + 3 + 135 + 20 + 504 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313520503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373042 + ... + 407169.

It is an arithmetic number, because the mean of its divisors is an integer number (585159000).

Almost surely, 2^13313520504 is an apocalyptic number.

It is an amenable number.

13313520504 is an abundant number, since it is smaller than the sum of its proper divisors (24136655496).

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

13313520504 is a wasteful number, since it uses less digits than its factorization.

13313520504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780305 (or 780295 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 13313520504 in words is "thirteen billion, three hundred thirteen million, five hundred twenty thousand, five hundred four".