12799869576 has 64 divisors (see below), whose sum is σ = 34571550720. Its totient is φ = 3925808640.

The previous prime is 12799869487. The next prime is 12799869611. The reversal of 12799869576 is 67596899721.

12799869576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12799869576² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12799869576.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32121 + ... + 163191.

It is an arithmetic number, because the mean of its divisors is an integer number (540180480).

Almost surely, 2^12799869576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12799869576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17285775360).

12799869576 is an abundant number, since it is smaller than the sum of its proper divisors (21771681144).

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

12799869576 is a wasteful number, since it uses less digits than its factorization.

12799869576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131406 (or 131402 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 69.

The spelling of 12799869576 in words is "twelve billion, seven hundred ninety-nine million, eight hundred sixty-nine thousand, five hundred seventy-six".