12679344784 has 40 divisors (see below), whose sum is σ = 26245190240. Its totient is φ = 5916354048.

The previous prime is 12679344737. The next prime is 12679344827. The reversal of 12679344784 is 48744397621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290889 + ... + 331624.

It is an arithmetic number, because the mean of its divisors is an integer number (656129756).

Almost surely, 2^12679344784 is an apocalyptic number.

It is an amenable number.

12679344784 is an abundant number, since it is smaller than the sum of its proper divisors (13565845456).

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

12679344784 is a wasteful number, since it uses less digits than its factorization.

12679344784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622607 (or 622601 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 55.

The spelling of 12679344784 in words is "twelve billion, six hundred seventy-nine million, three hundred forty-four thousand, seven hundred eighty-four".