12402624 has 56 divisors (see below), whose sum is σ = 35346640. Its totient is φ = 3815424.

The previous prime is 12402617. The next prime is 12402641. The reversal of 12402624 is 42620421.

It is a self number, because there is not a number n which added to its sum of digits gives 12402624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (631190).

Almost surely, 2^12402624 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 12402624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17673320).

12402624 is an abundant number, since it is smaller than the sum of its proper divisors (22944016).

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

12402624 is a wasteful number, since it uses less digits than its factorization.

12402624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997 (or 4987 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 12402624 is about 3521.7359355863. The cubic root of 12402624 is about 231.4752308647.

The spelling of 12402624 in words is "twelve million, four hundred two thousand, six hundred twenty-four".