11831688 has 48 divisors (see below), whose sum is σ = 34959600. Its totient is φ = 3585120.

The previous prime is 11831669. The next prime is 11831717. The reversal of 11831688 is 88613811.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 6678 + ... + 8261.

It is an arithmetic number, because the mean of its divisors is an integer number (728325).

Almost surely, 2^11831688 is an apocalyptic number.

11831688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11831688 is an abundant number, since it is smaller than the sum of its proper divisors (23127912).

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

11831688 is a wasteful number, since it uses less digits than its factorization.

11831688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14962 (or 14955 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 11831688 is about 3439.7220817967. The cubic root of 11831688 is about 227.8674206131.

The spelling of 11831688 in words is "eleven million, eight hundred thirty-one thousand, six hundred eighty-eight".