12745732 has 24 divisors (see below), whose sum is σ = 24292800. Its totient is φ = 5828256.

The previous prime is 12745721. The next prime is 12745739. The reversal of 12745732 is 23754721.

It is a junction number, because it is equal to n+sod(n) for n = 12745694 and 12745703.

It is not an unprimeable number, because it can be changed into a prime (12745739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688 + ... + 5095.

It is an arithmetic number, because the mean of its divisors is an integer number (1012200).

Almost surely, 2^12745732 is an apocalyptic number.

It is an amenable number.

12745732 is a deficient number, since it is larger than the sum of its proper divisors (11547068).

12745732 is a wasteful number, since it uses less digits than its factorization.

12745732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835 (or 5833 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 12745732 is about 3570.1165247090. The cubic root of 12745732 is about 233.5903661896.

The spelling of 12745732 in words is "twelve million, seven hundred forty-five thousand, seven hundred thirty-two".