13039856823512 has 16 divisors (see below), whose sum is σ = 24724447630200. Its totient is φ = 6446670788800.

The previous prime is 13039856823491. The next prime is 13039856823523. The reversal of 13039856823512 is 21532865893031.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9157202114 + ... + 9157203537.

Almost surely, 2^{13039856823512} is an apocalyptic number.

It is an amenable number.

13039856823512 is a deficient number, since it is larger than the sum of its proper divisors (11684590806688).

13039856823512 is a wasteful number, since it uses less digits than its factorization.

13039856823512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18314405746 (or 18314405742 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 13039856823512 in words is "thirteen trillion, thirty-nine billion, eight hundred fifty-six million, eight hundred twenty-three thousand, five hundred twelve".