11888688 has 80 divisors (see below), whose sum is σ = 35997696. Its totient is φ = 3310080.

The previous prime is 11888659. The next prime is 11888693. The reversal of 11888688 is 88688811.

It is a super-2 number, since 2×11888688² = 282681804722688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 13345 + ... + 14207.

Almost surely, 2^11888688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11888688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17998848).

11888688 is an abundant number, since it is smaller than the sum of its proper divisors (24109008).

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

11888688 is a wasteful number, since it uses less digits than its factorization.

11888688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 916 counting only the distinct ones).

The product of its digits is 196608, while the sum is 48.

The square root of 11888688 is about 3447.9976798136. The cubic root of 11888688 is about 228.2327570734.

The spelling of 11888688 in words is "eleven million, eight hundred eighty-eight thousand, six hundred eighty-eight".