13238439876720 has 120 divisors (see below), whose sum is σ = 44478659072016. Its totient is φ = 3528697073664.

The previous prime is 13238439876719. The next prime is 13238439876731. The reversal of 13238439876720 is 2767893483231.

13238439876720 is a `hidden beast` number, since 1 + 3 + 238 + 4 + 398 + 7 + 6 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2408034 + ... + 5681153.

Almost surely, 2^{13238439876720} is an apocalyptic number.

13238439876720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13238439876720 is an abundant number, since it is smaller than the sum of its proper divisors (31240219195296).

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

13238439876720 is a wasteful number, since it uses less digits than its factorization.

13238439876720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8091479 (or 8091470 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 13238439876720 in words is "thirteen trillion, two hundred thirty-eight billion, four hundred thirty-nine million, eight hundred seventy-six thousand, seven hundred twenty".