12288388 has 24 divisors (see below), whose sum is σ = 24651200. Its totient is φ = 5250528.

The previous prime is 12288379. The next prime is 12288391. The reversal of 12288388 is 88388221.

It is a self number, because there is not a number n which added to its sum of digits gives 12288388.

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, 16978 + ... + 17686.

Almost surely, 2^12288388 is an apocalyptic number.

It is an amenable number.

12288388 is an abundant number, since it is smaller than the sum of its proper divisors (12362812).

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

12288388 is a wasteful number, since it uses less digits than its factorization.

12288388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339 (or 1337 counting only the distinct ones).

The product of its digits is 49152, while the sum is 40.

The square root of 12288388 is about 3505.4797103963. The cubic root of 12288388 is about 230.7623600120.

The spelling of 12288388 in words is "twelve million, two hundred eighty-eight thousand, three hundred eighty-eight".