12532432 has 40 divisors (see below), whose sum is σ = 27355392. Its totient is φ = 5510400.

The previous prime is 12532397. The next prime is 12532439. The reversal of 12532432 is 23423521.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4308 + ... + 6604.

Almost surely, 2^12532432 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 12532432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13677696).

12532432 is an abundant number, since it is smaller than the sum of its proper divisors (14822960).

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

12532432 is a wasteful number, since it uses less digits than its factorization.

12532432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347 (or 2341 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 12532432 is about 3540.1175121739. The cubic root of 12532432 is about 232.2799830204.

Adding to 12532432 its reverse (23423521), we get a palindrome (35955953).

The spelling of 12532432 in words is "twelve million, five hundred thirty-two thousand, four hundred thirty-two".