12522424 has 16 divisors (see below), whose sum is σ = 23700600. Its totient is φ = 6202272.

The previous prime is 12522413. The next prime is 12522427. The reversal of 12522424 is 42422521.

It is a super-2 number, since 2×12522424² = 313622205671552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12522395 and 12522404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522427) 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, 6459 + ... + 8170.

Almost surely, 2^12522424 is an apocalyptic number.

It is an amenable number.

12522424 is a deficient number, since it is larger than the sum of its proper divisors (11178176).

12522424 is a wasteful number, since it uses less digits than its factorization.

12522424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14742 (or 14738 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 12522424 is about 3538.7037174649. The cubic root of 12522424 is about 232.2181360954.

Adding to 12522424 its reverse (42422521), we get a palindrome (54944945).

The spelling of 12522424 in words is "twelve million, five hundred twenty-two thousand, four hundred twenty-four".