12522252 has 12 divisors (see below), whose sum is σ = 29218616. Its totient is φ = 4174080.

The previous prime is 12522241. The next prime is 12522253. The reversal of 12522252 is 25222521.

12522252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12522253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521749 + ... + 521772.

Almost surely, 2^12522252 is an apocalyptic number.

12522252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12522252 is an abundant number, since it is smaller than the sum of its proper divisors (16696364).

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

12522252 is a wasteful number, since it uses less digits than its factorization.

12522252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043528 (or 1043526 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 12522252 is about 3538.6794146970. The cubic root of 12522252 is about 232.2170728907.

Adding to 12522252 its reverse (25222521), we get a palindrome (37744773).

The spelling of 12522252 in words is "twelve million, five hundred twenty-two thousand, two hundred fifty-two".