12272504 has 16 divisors (see below), whose sum is σ = 24364800. Its totient is φ = 5775232.

The previous prime is 12272483. The next prime is 12272549. The reversal of 12272504 is 40527221.

It is a happy number.

It is a super-2 number, since 2×12272504² = 301228708860032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12272504.

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 in 3 ways as a sum of consecutive naturals, for example, 44984 + ... + 45255.

It is an arithmetic number, because the mean of its divisors is an integer number (1522800).

Almost surely, 2^12272504 is an apocalyptic number.

It is an amenable number.

12272504 is a deficient number, since it is larger than the sum of its proper divisors (12092296).

12272504 is a wasteful number, since it uses less digits than its factorization.

12272504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90262 (or 90258 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12272504 is about 3503.2133820251. The cubic root of 12272504 is about 230.6628891463.

Adding to 12272504 its reverse (40527221), we get a palindrome (52799725).

It can be divided in two parts, 122 and 72504, that multiplied together give a palindrome (8845488).

The spelling of 12272504 in words is "twelve million, two hundred seventy-two thousand, five hundred four".