13391204087520 has 192 divisors, whose sum is σ = 53564816471040. Its totient is φ = 3060846641664.

The previous prime is 13391204087497. The next prime is 13391204087533. The reversal of 13391204087520 is 2578040219331.

It is a happy number.

13391204087520 is a `hidden beast` number, since 1 + 3 + 3 + 9 + 1 + 2 + 0 + 40 + 87 + 520 = 666.

It is a super-2 number, since 2×13391204087520² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221385172 + ... + 221445651.

It is an arithmetic number, because the mean of its divisors is an integer number (278983419120).

Almost surely, 2^{13391204087520} is an apocalyptic number.

13391204087520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13391204087520 is an abundant number, since it is smaller than the sum of its proper divisors (40173612383520).

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

13391204087520 is a wasteful number, since it uses less digits than its factorization.

13391204087520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442830854 (or 442830840 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 13391204087520 in words is "thirteen trillion, three hundred ninety-one billion, two hundred four million, eighty-seven thousand, five hundred twenty".