12796811072 has 28 divisors (see below), whose sum is σ = 25933968960. Its totient is φ = 6262267776.

The previous prime is 12796811029. The next prime is 12796811089. The reversal of 12796811072 is 27011869721.

It is a super-2 number, since 2×12796811072² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2124122 + ... + 2130137.

Almost surely, 2^12796811072 is an apocalyptic number.

It is an amenable number.

12796811072 is an abundant number, since it is smaller than the sum of its proper divisors (13137157888).

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

12796811072 is an equidigital number, since it uses as much as digits as its factorization.

12796811072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254318 (or 4254308 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 44.

The spelling of 12796811072 in words is "twelve billion, seven hundred ninety-six million, eight hundred eleven thousand, seventy-two".