13713185656 has 32 divisors (see below), whose sum is σ = 26467514640. Its totient is φ = 6657850368.

The previous prime is 13713185639. The next prime is 13713185657. The reversal of 13713185656 is 65658131731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13713185657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125586 + ... + 207841.

Almost surely, 2^13713185656 is an apocalyptic number.

It is an amenable number.

13713185656 is a deficient number, since it is larger than the sum of its proper divisors (12754328984).

13713185656 is a wasteful number, since it uses less digits than its factorization.

13713185656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333583 (or 333579 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The spelling of 13713185656 in words is "thirteen billion, seven hundred thirteen million, one hundred eighty-five thousand, six hundred fifty-six".