12532544 has 28 divisors (see below), whose sum is σ = 25298400. Its totient is φ = 6158208.

The previous prime is 12532543. The next prime is 12532561. The reversal of 12532544 is 44523521.

It is a happy number.

It is a super-2 number, since 2×12532544² = 314129318223872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117 + ... + 5435.

Almost surely, 2^12532544 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 12532544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12649200).

12532544 is an abundant number, since it is smaller than the sum of its proper divisors (12765856).

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

12532544 is an equidigital number, since it uses as much as digits as its factorization.

12532544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390 (or 3380 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 12532544 is about 3540.1333308224. The cubic root of 12532544 is about 232.2806749659.

The spelling of 12532544 in words is "twelve million, five hundred thirty-two thousand, five hundred forty-four".