12318288 has 40 divisors (see below), whose sum is σ = 31956288. Its totient is φ = 4088832.

The previous prime is 12318283. The next prime is 12318329. The reversal of 12318288 is 88281321.

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 (12318283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16581 + ... + 17307.

Almost surely, 2^12318288 is an apocalyptic number.

It is an amenable number.

12318288 is an abundant number, since it is smaller than the sum of its proper divisors (19638000).

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

12318288 is a wasteful number, since it uses less digits than its factorization.

12318288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1085 counting only the distinct ones).

The product of its digits is 6144, while the sum is 33.

The square root of 12318288 is about 3509.7418708503. The cubic root of 12318288 is about 230.9493714123.

The spelling of 12318288 in words is "twelve million, three hundred eighteen thousand, two hundred eighty-eight".