11693888 has 28 divisors (see below), whose sum is σ = 23477220. Its totient is φ = 5778432.

The previous prime is 11693879. The next prime is 11693933. The reversal of 11693888 is 88839611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4032064 + 7661824 = 2008^2 + 2768^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4670 + ... + 6722.

Almost surely, 2^11693888 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 11693888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11738610).

11693888 is an abundant number, since it is smaller than the sum of its proper divisors (11783332).

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

11693888 is an equidigital number, since it uses as much as digits as its factorization.

11693888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154 (or 2144 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 11693888 is about 3419.6327288175. The cubic root of 11693888 is about 226.9793301446.

The spelling of 11693888 in words is "eleven million, six hundred ninety-three thousand, eight hundred eighty-eight".