12504172 has 12 divisors (see below), whose sum is σ = 21936096. Its totient is φ = 6236720.

The previous prime is 12504169. The next prime is 12504227. The reversal of 12504172 is 27140521.

It is a happy number.

It is a super-3 number, since 3×12504172³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903 + ... + 5350.

It is an arithmetic number, because the mean of its divisors is an integer number (1828008).

Almost surely, 2^12504172 is an apocalyptic number.

It is an amenable number.

12504172 is a deficient number, since it is larger than the sum of its proper divisors (9431924).

12504172 is a wasteful number, since it uses less digits than its factorization.

12504172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7688 (or 7686 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12504172 is about 3536.1238666087. The cubic root of 12504172 is about 232.1052584201.

Adding to 12504172 its reverse (27140521), we get a palindrome (39644693).

The spelling of 12504172 in words is "twelve million, five hundred four thousand, one hundred seventy-two".