12885624 has 48 divisors (see below), whose sum is σ = 35118720. Its totient is φ = 4268160.

The previous prime is 12885623. The next prime is 12885671. The reversal of 12885624 is 42658821.

12885624 is a `hidden beast` number, since 1 + 28 + 8 + 5 + 624 = 666.

12885624 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12885623) 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, 13284 + ... + 14220.

It is an arithmetic number, because the mean of its divisors is an integer number (731640).

Almost surely, 2^12885624 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 12885624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17559360).

12885624 is an abundant number, since it is smaller than the sum of its proper divisors (22233096).

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

12885624 is a wasteful number, since it uses less digits than its factorization.

12885624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1133 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 12885624 is about 3589.6551366392. The cubic root of 12885624 is about 234.4418563405.

The spelling of 12885624 in words is "twelve million, eight hundred eighty-five thousand, six hundred twenty-four".