12796911681 has 8 divisors (see below), whose sum is σ = 17078604480. Its totient is φ = 8523246672.

The previous prime is 12796911679. The next prime is 12796911709. The reversal of 12796911681 is 18611969721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12796911681 - 2¹ = 12796911679 is a prime.

It is a super-2 number, since 2×12796911681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12796911601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003226 + ... + 2009603.

It is an arithmetic number, because the mean of its divisors is an integer number (2134825560).

Almost surely, 2^12796911681 is an apocalyptic number.

It is an amenable number.

12796911681 is a deficient number, since it is larger than the sum of its proper divisors (4281692799).

12796911681 is a wasteful number, since it uses less digits than its factorization.

12796911681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013895.

The product of its digits is 326592, while the sum is 51.

The spelling of 12796911681 in words is "twelve billion, seven hundred ninety-six million, nine hundred eleven thousand, six hundred eighty-one".