11688860 has 48 divisors (see below), whose sum is σ = 26853120. Its totient is φ = 4254720.

The previous prime is 11688839. The next prime is 11688863. The reversal of 11688860 is 6888611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11688863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9986 + ... + 11094.

It is an arithmetic number, because the mean of its divisors is an integer number (559440).

Almost surely, 2^11688860 is an apocalyptic number.

11688860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11688860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13426560).

11688860 is an abundant number, since it is smaller than the sum of its proper divisors (15164260).

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

11688860 is a wasteful number, since it uses less digits than its factorization.

11688860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 11688860 is about 3418.8974831077. The cubic root of 11688860 is about 226.9467941828.

It can be divided in two parts, 1 and 1688860, that added together give a palindrome (1688861).

The spelling of 11688860 in words is "eleven million, six hundred eighty-eight thousand, eight hundred sixty".