12031288 has 16 divisors (see below), whose sum is σ = 23337000. Its totient is φ = 5808096.

The previous prime is 12031273. The next prime is 12031289. The reversal of 12031288 is 88213021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031289) 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, 25698 + ... + 26161.

Almost surely, 2^12031288 is an apocalyptic number.

It is an amenable number.

12031288 is a deficient number, since it is larger than the sum of its proper divisors (11305712).

12031288 is a wasteful number, since it uses less digits than its factorization.

12031288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51894 (or 51890 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 12031288 is about 3468.6147090733. The cubic root of 12031288 is about 229.1416526013.

The spelling of 12031288 in words is "twelve million, thirty-one thousand, two hundred eighty-eight".