12287244 has 24 divisors (see below), whose sum is σ = 29917440. Its totient is φ = 3917584.

The previous prime is 12287201. The next prime is 12287269. The reversal of 12287244 is 44278221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21984 + ... + 22535.

It is an arithmetic number, because the mean of its divisors is an integer number (1246560).

Almost surely, 2^12287244 is an apocalyptic number.

It is an amenable number.

12287244 is an abundant number, since it is smaller than the sum of its proper divisors (17630196).

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

12287244 is a wasteful number, since it uses less digits than its factorization.

12287244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44549 (or 44547 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 12287244 is about 3505.3165334959. The cubic root of 12287244 is about 230.7551987707.

The spelling of 12287244 in words is "twelve million, two hundred eighty-seven thousand, two hundred forty-four".