12522865 has 8 divisors (see below), whose sum is σ = 15094440. Its totient is φ = 9973632.

The previous prime is 12522857. The next prime is 12522869. The reversal of 12522865 is 56822521.

12522865 is digitally balanced in base 3, 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 4 ways, for example, as 7306209 + 5216656 = 2703^2 + 2284^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12522865 - 2³ = 12522857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12522869) 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, 4324 + ... + 6613.

It is an arithmetic number, because the mean of its divisors is an integer number (1886805).

Almost surely, 2^12522865 is an apocalyptic number.

It is an amenable number.

12522865 is a deficient number, since it is larger than the sum of its proper divisors (2571575).

12522865 is a wasteful number, since it uses less digits than its factorization.

12522865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11171.

The product of its digits is 9600, while the sum is 31.

The square root of 12522865 is about 3538.7660278690. The cubic root of 12522865 is about 232.2208620585.

The spelling of 12522865 in words is "twelve million, five hundred twenty-two thousand, eight hundred sixty-five".