12493472 has 12 divisors (see below), whose sum is σ = 24596586. Its totient is φ = 6246720.

The previous prime is 12493451. The next prime is 12493477. The reversal of 12493472 is 27439421.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 355216 = 3484^2 + 596^2 .

It is a super-2 number, since 2×12493472² = 312173685229568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 390421 = 12493472 / (1 + 2 + 4 + 9 + 3 + 4 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (12493477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195179 + ... + 195242.

Almost surely, 2^12493472 is an apocalyptic number.

It is an amenable number.

12493472 is a deficient number, since it is larger than the sum of its proper divisors (12103114).

12493472 is an equidigital number, since it uses as much as digits as its factorization.

12493472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390431 (or 390423 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 12493472 is about 3534.6105867549. The cubic root of 12493472 is about 232.0390342565.

The spelling of 12493472 in words is "twelve million, four hundred ninety-three thousand, four hundred seventy-two".