12304732 has 18 divisors (see below), whose sum is σ = 23669744. Its totient is φ = 5592840.

The previous prime is 12304717. The next prime is 12304739. The reversal of 12304732 is 23740321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304739) 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 5 ways as a sum of consecutive naturals, for example, 12228 + ... + 13195.

Almost surely, 2^12304732 is an apocalyptic number.

It is an amenable number.

12304732 is a deficient number, since it is larger than the sum of its proper divisors (11365012).

12304732 is a wasteful number, since it uses less digits than its factorization.

12304732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25449 (or 25436 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 12304732 is about 3507.8101430950. The cubic root of 12304732 is about 230.8646221132.

The spelling of 12304732 in words is "twelve million, three hundred four thousand, seven hundred thirty-two".