12503164 has 24 divisors (see below), whose sum is σ = 22353408. Its totient is φ = 6118320.

The previous prime is 12503149. The next prime is 12503167. The reversal of 12503164 is 46130521.

It is a super-2 number, since 2×12503164² = 312658220021792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55957 + ... + 56179.

It is an arithmetic number, because the mean of its divisors is an integer number (931392).

Almost surely, 2^12503164 is an apocalyptic number.

It is an amenable number.

12503164 is a deficient number, since it is larger than the sum of its proper divisors (9850244).

12503164 is a wasteful number, since it uses less digits than its factorization.

12503164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12503164 is about 3535.9813347924. The cubic root of 12503164 is about 232.0990213448.

Adding to 12503164 its reverse (46130521), we get a palindrome (58633685).

The spelling of 12503164 in words is "twelve million, five hundred three thousand, one hundred sixty-four".