12537090 has 24 divisors (see below), whose sum is σ = 32596668. Its totient is φ = 3343200.

The previous prime is 12537089. The next prime is 12537101. The reversal of 12537090 is 9073521.

12537090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12089529 + 447561 = 3477^2 + 669^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69561 + ... + 69740.

Almost surely, 2^12537090 is an apocalyptic number.

12537090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12537090 is an abundant number, since it is smaller than the sum of its proper divisors (20059578).

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

12537090 is a wasteful number, since it uses less digits than its factorization.

12537090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139314 (or 139311 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 12537090 is about 3540.7753388206. The cubic root of 12537090 is about 232.3087570616.

The spelling of 12537090 in words is "twelve million, five hundred thirty-seven thousand, ninety".