12624556 has 36 divisors (see below), whose sum is σ = 26343576. Its totient is φ = 5275200.

The previous prime is 12624553. The next prime is 12624559. The reversal of 12624556 is 65542621.

It is an interprime number because it is at equal distance from previous prime (12624553) and next prime (12624559).

It is not an unprimeable number, because it can be changed into a prime (12624553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7251 + ... + 8821.

It is an arithmetic number, because the mean of its divisors is an integer number (731766).

Almost surely, 2^12624556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12624556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13171788).

12624556 is an abundant number, since it is smaller than the sum of its proper divisors (13719020).

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

12624556 is a wasteful number, since it uses less digits than its factorization.

12624556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1621 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 12624556 is about 3553.1051208767. The cubic root of 12624556 is about 232.8477457051.

The spelling of 12624556 in words is "twelve million, six hundred twenty-four thousand, five hundred fifty-six".