11818688 has 112 divisors (see below), whose sum is σ = 29650944. Its totient is φ = 4561920.

The previous prime is 11818687. The next prime is 11818693. The reversal of 11818688 is 88681811.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (11818687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319406 + ... + 319442.

Almost surely, 2^11818688 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 11818688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14825472).

11818688 is an abundant number, since it is smaller than the sum of its proper divisors (17832256).

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

11818688 is a wasteful number, since it uses less digits than its factorization.

11818688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 100 counting only the distinct ones).

The product of its digits is 24576, while the sum is 41.

The square root of 11818688 is about 3437.8318748886. The cubic root of 11818688 is about 227.7839340174.

The spelling of 11818688 in words is "eleven million, eight hundred eighteen thousand, six hundred eighty-eight".