12453232 has 40 divisors (see below), whose sum is σ = 26538480. Its totient is φ = 5614080.

The previous prime is 12453191. The next prime is 12453241. The reversal of 12453232 is 23235421.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30244 + ... + 30652.

It is an arithmetic number, because the mean of its divisors is an integer number (663462).

Almost surely, 2^12453232 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 12453232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13269240).

12453232 is an abundant number, since it is smaller than the sum of its proper divisors (14085248).

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

12453232 is a wasteful number, since it uses less digits than its factorization.

12453232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 595 counting only the distinct ones).

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

The square root of 12453232 is about 3528.9137138785. The cubic root of 12453232 is about 231.7896428558.

Adding to 12453232 its reverse (23235421), we get a palindrome (35688653).

The spelling of 12453232 in words is "twelve million, four hundred fifty-three thousand, two hundred thirty-two".