13156174696872 has 32 divisors (see below), whose sum is σ = 32988034497600. Its totient is φ = 4372378531584.

The previous prime is 13156174696871. The next prime is 13156174696909. The reversal of 13156174696872 is 27869647165131.

It is a super-2 number, since 2×13156174696872² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13156174696871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813306372 + ... + 813322547.

It is an arithmetic number, because the mean of its divisors is an integer number (1030876078050).

Almost surely, 2^{13156174696872} is an apocalyptic number.

13156174696872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13156174696872 is an abundant number, since it is smaller than the sum of its proper divisors (19831859800728).

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

13156174696872 is a wasteful number, since it uses less digits than its factorization.

13156174696872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626629265 (or 1626629261 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 66.

The spelling of 13156174696872 in words is "thirteen trillion, one hundred fifty-six billion, one hundred seventy-four million, six hundred ninety-six thousand, eight hundred seventy-two".