12796479999 has 24 divisors (see below), whose sum is σ = 19128804240. Its totient is φ = 8233529472.

The previous prime is 12796479979. The next prime is 12796480001. The reversal of 12796479999 is 99997469721.

It is not a de Polignac number, because 12796479999 - 2⁵ = 12796479967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12796479979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 762432 + ... + 779034.

It is an arithmetic number, because the mean of its divisors is an integer number (797033510).

Almost surely, 2^12796479999 is an apocalyptic number.

12796479999 is a deficient number, since it is larger than the sum of its proper divisors (6332324241).

12796479999 is a wasteful number, since it uses less digits than its factorization.

12796479999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19591 (or 19588 counting only the distinct ones).

The product of its digits is 138883248, while the sum is 72.

The spelling of 12796479999 in words is "twelve billion, seven hundred ninety-six million, four hundred seventy-nine thousand, nine hundred ninety-nine".