12937812823 has 16 divisors (see below), whose sum is σ = 15304020480. Its totient is φ = 10822119264.

The previous prime is 12937812803. The next prime is 12937812827. The reversal of 12937812823 is 32821873921.

It is a cyclic number.

It is not a de Polignac number, because 12937812823 - 2⁵ = 12937812791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12937812827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133011 + ... + 1144372.

It is an arithmetic number, because the mean of its divisors is an integer number (956501280).

Almost surely, 2^12937812823 is an apocalyptic number.

12937812823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12937812823 is a deficient number, since it is larger than the sum of its proper divisors (2366207657).

12937812823 is a wasteful number, since it uses less digits than its factorization.

12937812823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277438.

The product of its digits is 290304, while the sum is 46.

The spelling of 12937812823 in words is "twelve billion, nine hundred thirty-seven million, eight hundred twelve thousand, eight hundred twenty-three".