12530916 has 24 divisors (see below), whose sum is σ = 32487840. Its totient is φ = 4176936.

The previous prime is 12530893. The next prime is 12530927. The reversal of 12530916 is 61903521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12530916.

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, 57906 + ... + 58121.

It is an arithmetic number, because the mean of its divisors is an integer number (1353660).

Almost surely, 2^12530916 is an apocalyptic number.

It is an amenable number.

12530916 is an abundant number, since it is smaller than the sum of its proper divisors (19956924).

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

12530916 is a wasteful number, since it uses less digits than its factorization.

12530916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116040 (or 116032 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 12530916 is about 3539.9033885122. The cubic root of 12530916 is about 232.2706166379.

The spelling of 12530916 in words is "twelve million, five hundred thirty thousand, nine hundred sixteen".