12975943744 has 63 divisors (see below), whose sum is σ = 26722080541. Its totient is φ = 6251490560.

The previous prime is 12975943727. The next prime is 12975943759. The reversal of 12975943744 is 44734957921.

The square root of 12975943744 is 113912.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6804270144 + 6171673600 = 82488^2 + 78560^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26427339 + ... + 26427829.

Almost surely, 2^12975943744 is an apocalyptic number.

12975943744 is the 113912-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12975943744

12975943744 is an abundant number, since it is smaller than the sum of its proper divisors (13746136797).

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

12975943744 is an frugal number, since it uses more digits than its factorization.

12975943744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 522 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 55.

The spelling of 12975943744 in words is "twelve billion, nine hundred seventy-five million, nine hundred forty-three thousand, seven hundred forty-four".