12639871301823 has 16 divisors (see below), whose sum is σ = 18738748339200. Its totient is φ = 8420724983160.

The previous prime is 12639871301809. The next prime is 12639871301867. The reversal of 12639871301823 is 32810317893621.

12639871301823 is a `hidden beast` number, since 1 + 2 + 6 + 398 + 71 + 3 + 0 + 182 + 3 = 666.

It is not a de Polignac number, because 12639871301823 - 2⁹ = 12639871301311 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12639871301823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12639871301723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162623893 + ... + 162701598.

It is an arithmetic number, because the mean of its divisors is an integer number (1171171771200).

Almost surely, 2^{12639871301823} is an apocalyptic number.

12639871301823 is a deficient number, since it is larger than the sum of its proper divisors (6098877037377).

12639871301823 is a wasteful number, since it uses less digits than its factorization.

12639871301823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325326939 (or 325326933 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 12639871301823 in words is "twelve trillion, six hundred thirty-nine billion, eight hundred seventy-one million, three hundred one thousand, eight hundred twenty-three".