12508224 has 28 divisors (see below), whose sum is σ = 33095184. Its totient is φ = 4169344.

The previous prime is 12508219. The next prime is 12508229. The reversal of 12508224 is 42280521.

12508224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12508219) and next prime (12508229).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12508194 and 12508203.

It is not an unprimeable number, because it can be changed into a prime (12508229) 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, 32382 + ... + 32765.

Almost surely, 2^12508224 is an apocalyptic number.

It is an amenable number.

12508224 is an abundant number, since it is smaller than the sum of its proper divisors (20586960).

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

12508224 is an equidigital number, since it uses as much as digits as its factorization.

12508224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65162 (or 65152 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 12508224 is about 3536.6967639310. The cubic root of 12508224 is about 232.1303270915.

Adding to 12508224 its reverse (42280521), we get a palindrome (54788745).

The spelling of 12508224 in words is "twelve million, five hundred eight thousand, two hundred twenty-four".