11688328 has 16 divisors (see below), whose sum is σ = 21979980. Its totient is φ = 5827008.

The previous prime is 11688323. The next prime is 11688331. The reversal of 11688328 is 82388611.

It can be written as a sum of positive squares in 2 ways, for example, as 11276164 + 412164 = 3358^2 + 642^2 .

It is a super-2 number, since 2×11688328² = 273234022871168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11688323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026 + ... + 4942.

Almost surely, 2^11688328 is an apocalyptic number.

It is an amenable number.

11688328 is a deficient number, since it is larger than the sum of its proper divisors (10291652).

11688328 is a wasteful number, since it uses less digits than its factorization.

11688328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296 (or 4292 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The square root of 11688328 is about 3418.8196793630. The cubic root of 11688328 is about 226.9433510889.

The spelling of 11688328 in words is "eleven million, six hundred eighty-eight thousand, three hundred twenty-eight".