12525918 has 16 divisors (see below), whose sum is σ = 25426560. Its totient is φ = 4112856.

The previous prime is 12525917. The next prime is 12525973. The reversal of 12525918 is 81952521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525911) 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, 15178 + ... + 15981.

It is an arithmetic number, because the mean of its divisors is an integer number (1589160).

Almost surely, 2^12525918 is an apocalyptic number.

12525918 is an abundant number, since it is smaller than the sum of its proper divisors (12900642).

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

12525918 is a wasteful number, since it uses less digits than its factorization.

12525918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31231.

The product of its digits is 7200, while the sum is 33.

The square root of 12525918 is about 3539.1973666355. The cubic root of 12525918 is about 232.2397318801.

The spelling of 12525918 in words is "twelve million, five hundred twenty-five thousand, nine hundred eighteen".