12243288 has 16 divisors (see below), whose sum is σ = 30608280. Its totient is φ = 4081088.

The previous prime is 12243251. The next prime is 12243289. The reversal of 12243288 is 88234221.

12243288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255045 + ... + 255092.

Almost surely, 2^12243288 is an apocalyptic number.

It is an amenable number.

12243288 is an abundant number, since it is smaller than the sum of its proper divisors (18364992).

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

12243288 is a wasteful number, since it uses less digits than its factorization.

12243288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510146 (or 510142 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 12243288 is about 3499.0410114773. The cubic root of 12243288 is about 230.4797045323.

The spelling of 12243288 in words is "twelve million, two hundred forty-three thousand, two hundred eighty-eight".