12534172 has 24 divisors (see below), whose sum is σ = 26159616. Its totient is φ = 5137968.

The previous prime is 12534163. The next prime is 12534191. The reversal of 12534172 is 27143521.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 9088 + ... + 10375.

It is an arithmetic number, because the mean of its divisors is an integer number (1089984).

Almost surely, 2^12534172 is an apocalyptic number.

It is an amenable number.

12534172 is an abundant number, since it is smaller than the sum of its proper divisors (13625444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12534172 is a wasteful number, since it uses less digits than its factorization.

12534172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19497 (or 19495 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 12534172 is about 3540.3632581982. The cubic root of 12534172 is about 232.2907324229.

Adding to 12534172 its reverse (27143521), we get a palindrome (39677693).

The spelling of 12534172 in words is "twelve million, five hundred thirty-four thousand, one hundred seventy-two".