12188328 has 32 divisors (see below), whose sum is σ = 30663360. Its totient is φ = 4037120.

The previous prime is 12188273. The next prime is 12188347. The reversal of 12188328 is 82388121.

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

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, 2488 + ... + 5528.

It is an arithmetic number, because the mean of its divisors is an integer number (958230).

Almost surely, 2^12188328 is an apocalyptic number.

It is an amenable number.

12188328 is an abundant number, since it is smaller than the sum of its proper divisors (18475032).

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

12188328 is a wasteful number, since it uses less digits than its factorization.

12188328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217 (or 3213 counting only the distinct ones).

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

The square root of 12188328 is about 3491.1785975513. The cubic root of 12188328 is about 230.1343134839.

The spelling of 12188328 in words is "twelve million, one hundred eighty-eight thousand, three hundred twenty-eight".