12591667924 has 12 divisors (see below), whose sum is σ = 24038638848. Its totient is φ = 5723485400.

The previous prime is 12591667889. The next prime is 12591667931. The reversal of 12591667924 is 42976619521.

It is a super-2 number, since 2×12591667924² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143087092 + ... + 143087179.

It is an arithmetic number, because the mean of its divisors is an integer number (2003219904).

Almost surely, 2^12591667924 is an apocalyptic number.

It is an amenable number.

12591667924 is a deficient number, since it is larger than the sum of its proper divisors (11446970924).

12591667924 is a wasteful number, since it uses less digits than its factorization.

12591667924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286174286 (or 286174284 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The spelling of 12591667924 in words is "twelve billion, five hundred ninety-one million, six hundred sixty-seven thousand, nine hundred twenty-four".