12522587 has 16 divisors (see below), whose sum is σ = 15936000. Its totient is φ = 9754920.

The previous prime is 12522563. The next prime is 12522593. The reversal of 12522587 is 78522521.

It is a happy number.

It is not a de Polignac number, because 12522587 - 2¹⁶ = 12457051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12522487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114 + ... + 5432.

It is an arithmetic number, because the mean of its divisors is an integer number (996000).

Almost surely, 2^12522587 is an apocalyptic number.

12522587 is a deficient number, since it is larger than the sum of its proper divisors (3413413).

12522587 is an equidigital number, since it uses as much as digits as its factorization.

12522587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351 (or 3337 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 12522587 is about 3538.7267484224. The cubic root of 12522587 is about 232.2191436584.

The spelling of 12522587 in words is "twelve million, five hundred twenty-two thousand, five hundred eighty-seven".