12404272 has 10 divisors (see below), whose sum is σ = 24033308. Its totient is φ = 6202128.

The previous prime is 12404269. The next prime is 12404281. The reversal of 12404272 is 27240421.

It is a happy number.

It is an unprimeable number.

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, 387618 + ... + 387649.

Almost surely, 2^12404272 is an apocalyptic number.

It is an amenable number.

12404272 is a deficient number, since it is larger than the sum of its proper divisors (11629036).

12404272 is an equidigital number, since it uses as much as digits as its factorization.

12404272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775275 (or 775269 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 12404272 is about 3521.9699033353. The cubic root of 12404272 is about 231.4854828428.

Adding to 12404272 its reverse (27240421), we get a palindrome (39644693).

The spelling of 12404272 in words is "twelve million, four hundred four thousand, two hundred seventy-two".