12232500 has 120 divisors (see below), whose sum is σ = 40936896. Its totient is φ = 2784000.

The previous prime is 12232499. The next prime is 12232531. The reversal of 12232500 is 523221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12232500.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 52384 + ... + 52616.

Almost surely, 2^12232500 is an apocalyptic number.

12232500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12232500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20468448).

12232500 is an abundant number, since it is smaller than the sum of its proper divisors (28704396).

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

12232500 is a wasteful number, since it uses less digits than its factorization.

12232500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 12232500 is about 3497.4991065045. The cubic root of 12232500 is about 230.4119899962.

Adding to 12232500 its reverse (523221), we get a palindrome (12755721).

The spelling of 12232500 in words is "twelve million, two hundred thirty-two thousand, five hundred".