12522612 has 24 divisors (see below), whose sum is σ = 29376256. Its totient is φ = 4151808.

The previous prime is 12522607. The next prime is 12522617. The reversal of 12522612 is 21622521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12522607) and next prime (12522617).

It is a super-2 number, since 2×12522612² = 313631622605088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388 + ... + 5019.

Almost surely, 2^12522612 is an apocalyptic number.

12522612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12522612 is an abundant number, since it is smaller than the sum of its proper divisors (16853644).

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

12522612 is a wasteful number, since it uses less digits than its factorization.

12522612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607 (or 5605 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 12522612 is about 3538.7302807646. The cubic root of 12522612 is about 232.2192981918.

Subtracting 12522612 from its reverse (21622521), we obtain a palindrome (9099909).

The spelling of 12522612 in words is "twelve million, five hundred twenty-two thousand, six hundred twelve".