12956575732 has 12 divisors (see below), whose sum is σ = 22676659236. Its totient is φ = 6477530240.

The previous prime is 12956575727. The next prime is 12956575733. The reversal of 12956575732 is 23757565921.

It can be written as a sum of positive squares in 2 ways, for example, as 6213538276 + 6743037456 = 78826^2 + 82116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12956575732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12956575733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150019 + ... + 220042.

It is an arithmetic number, because the mean of its divisors is an integer number (1889721603).

Almost surely, 2^12956575732 is an apocalyptic number.

It is an amenable number.

12956575732 is a deficient number, since it is larger than the sum of its proper divisors (9720083504).

12956575732 is a wasteful number, since it uses less digits than its factorization.

12956575732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378818 (or 378816 counting only the distinct ones).

The product of its digits is 3969000, while the sum is 52.

The spelling of 12956575732 in words is "twelve billion, nine hundred fifty-six million, five hundred seventy-five thousand, seven hundred thirty-two".