12472732 has 6 divisors (see below), whose sum is σ = 21827288. Its totient is φ = 6236364.

The previous prime is 12472703. The next prime is 12472753. The reversal of 12472732 is 23727421.

It is a self number, because there is not a number n which added to its sum of digits gives 12472732.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1559088 + ... + 1559095.

Almost surely, 2^12472732 is an apocalyptic number.

It is an amenable number.

12472732 is a deficient number, since it is larger than the sum of its proper divisors (9354556).

12472732 is a wasteful number, since it uses less digits than its factorization.

12472732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118187 (or 3118185 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 12472732 is about 3531.6755230344. The cubic root of 12472732 is about 231.9105630291.

The spelling of 12472732 in words is "twelve million, four hundred seventy-two thousand, seven hundred thirty-two".