13597992720 has 160 divisors (see below), whose sum is σ = 50440521600. Its totient is φ = 3347191296.

The previous prime is 13597992643. The next prime is 13597992721. The reversal of 13597992720 is 2729979531.

13597992720 is a `hidden beast` number, since 1 + 3 + 597 + 9 + 9 + 27 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (13597992721) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 214050 + ... + 270209.

It is an arithmetic number, because the mean of its divisors is an integer number (315253260).

Almost surely, 2^13597992720 is an apocalyptic number.

13597992720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13597992720 is an abundant number, since it is smaller than the sum of its proper divisors (36842528880).

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

13597992720 is a wasteful number, since it uses less digits than its factorization.

13597992720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484294 (or 484282 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The spelling of 13597992720 in words is "thirteen billion, five hundred ninety-seven million, nine hundred ninety-two thousand, seven hundred twenty".