12530544 has 80 divisors (see below), whose sum is σ = 35747712. Its totient is φ = 3757824.

The previous prime is 12530521. The next prime is 12530569. The reversal of 12530544 is 44503521.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26599 + ... + 27065.

Almost surely, 2^12530544 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 12530544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17873856).

12530544 is an abundant number, since it is smaller than the sum of its proper divisors (23217168).

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

12530544 is a wasteful number, since it uses less digits than its factorization.

12530544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 12530544 is about 3539.8508443153. The cubic root of 12530544 is about 232.2683181754.

The spelling of 12530544 in words is "twelve million, five hundred thirty thousand, five hundred forty-four".