12591798674 has 128 divisors (see below), whose sum is σ = 25531269120. Its totient is φ = 4517856000.

The previous prime is 12591798673. The next prime is 12591798679. The reversal of 12591798674 is 47689719521.

It is not an unprimeable number, because it can be changed into a prime (12591798673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10826417 + ... + 10827579.

It is an arithmetic number, because the mean of its divisors is an integer number (199463040).

Almost surely, 2^12591798674 is an apocalyptic number.

12591798674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12591798674 is an abundant number, since it is smaller than the sum of its proper divisors (12939470446).

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

12591798674 is a wasteful number, since it uses less digits than its factorization.

12591798674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336.

The product of its digits is 7620480, while the sum is 59.

The spelling of 12591798674 in words is "twelve billion, five hundred ninety-one million, seven hundred ninety-eight thousand, six hundred seventy-four".