12522204 has 36 divisors (see below), whose sum is σ = 32255496. Its totient is φ = 4094688.

The previous prime is 12522193. The next prime is 12522221. The reversal of 12522204 is 40222521.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 1374 + ... + 5189.

It is an arithmetic number, because the mean of its divisors is an integer number (895986).

Almost surely, 2^12522204 is an apocalyptic number.

It is an amenable number.

12522204 is an abundant number, since it is smaller than the sum of its proper divisors (19733292).

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

12522204 is a wasteful number, since it uses less digits than its factorization.

12522204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6626 (or 6621 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12522204 is about 3538.6726324994. The cubic root of 12522204 is about 232.2167761807.

Adding to 12522204 its reverse (40222521), we get a palindrome (52744725).

The spelling of 12522204 in words is "twelve million, five hundred twenty-two thousand, two hundred four".