12624416 has 24 divisors (see below), whose sum is σ = 28405440. Its totient is φ = 5410368.

The previous prime is 12624389. The next prime is 12624419. The reversal of 12624416 is 61442621.

It is not an unprimeable number, because it can be changed into a prime (12624419) 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, 27956 + ... + 28403.

It is an arithmetic number, because the mean of its divisors is an integer number (1183560).

Almost surely, 2^12624416 is an apocalyptic number.

12624416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12624416 is an abundant number, since it is smaller than the sum of its proper divisors (15781024).

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

12624416 is an equidigital number, since it uses as much as digits as its factorization.

12624416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56376 (or 56368 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 12624416 is about 3553.0854197444. The cubic root of 12624416 is about 232.8468849803.

It can be divided in two parts, 126 and 24416, that added together give a palindrome (24542).

The spelling of 12624416 in words is "twelve million, six hundred twenty-four thousand, four hundred sixteen".