12597368444 has 36 divisors (see below), whose sum is σ = 23001359472. Its totient is φ = 6036131520.

The previous prime is 12597368411. The next prime is 12597368461. The reversal of 12597368444 is 44486379521.

It is a super-2 number, since 2×12597368444² (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 11 ways as a sum of consecutive naturals, for example, 380024 + ... + 411840.

It is an arithmetic number, because the mean of its divisors is an integer number (638926652).

Almost surely, 2^12597368444 is an apocalyptic number.

It is an amenable number.

12597368444 is a deficient number, since it is larger than the sum of its proper divisors (10403991028).

12597368444 is a wasteful number, since it uses less digits than its factorization.

12597368444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31986 (or 31953 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The spelling of 12597368444 in words is "twelve billion, five hundred ninety-seven million, three hundred sixty-eight thousand, four hundred forty-four".