12745972 has 12 divisors (see below), whose sum is σ = 22340416. Its totient is φ = 6363000.

The previous prime is 12745961. The next prime is 12745973. The reversal of 12745972 is 27954721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883 + ... + 5125.

Almost surely, 2^12745972 is an apocalyptic number.

It is an amenable number.

12745972 is a deficient number, since it is larger than the sum of its proper divisors (9594444).

12745972 is a wasteful number, since it uses less digits than its factorization.

12745972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998 (or 4996 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 12745972 is about 3570.1501368990. The cubic root of 12745972 is about 233.5918323362.

The spelling of 12745972 in words is "twelve million, seven hundred forty-five thousand, nine hundred seventy-two".