12530688 has 44 divisors (see below), whose sum is σ = 33407040. Its totient is φ = 4175872.

The previous prime is 12530677. The next prime is 12530701. The reversal of 12530688 is 88603521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033 + ... + 5111.

Almost surely, 2^12530688 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 12530688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16703520).

12530688 is an abundant number, since it is smaller than the sum of its proper divisors (20876352).

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

12530688 is an equidigital number, since it uses as much as digits as its factorization.

12530688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102 (or 4084 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 12530688 is about 3539.8711840970. The cubic root of 12530688 is about 232.2692079082.

The spelling of 12530688 in words is "twelve million, five hundred thirty thousand, six hundred eighty-eight".