12630864 has 80 divisors (see below), whose sum is σ = 36104832. Its totient is φ = 3784704.

The previous prime is 12630853. The next prime is 12630869. The reversal of 12630864 is 46803621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18432 + ... + 19104.

Almost surely, 2^12630864 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 12630864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18052416).

12630864 is an abundant number, since it is smaller than the sum of its proper divisors (23473968).

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

12630864 is a wasteful number, since it uses less digits than its factorization.

12630864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 12630864 is about 3553.9926842919. The cubic root of 12630864 is about 232.8865209041.

The spelling of 12630864 in words is "twelve million, six hundred thirty thousand, eight hundred sixty-four".