11715888 has 40 divisors (see below), whose sum is σ = 30726208. Its totient is φ = 3845952.

The previous prime is 11715883. The next prime is 11715889. The reversal of 11715888 is 88851711.

It is not an unprimeable number, because it can be changed into a prime (11715881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395 + ... + 5037.

Almost surely, 2^11715888 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 11715888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15363104).

11715888 is an abundant number, since it is smaller than the sum of its proper divisors (19010320).

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

11715888 is a wasteful number, since it uses less digits than its factorization.

11715888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721 (or 3715 counting only the distinct ones).

The product of its digits is 17920, while the sum is 39.

The square root of 11715888 is about 3422.8479370255. The cubic root of 11715888 is about 227.1215815793.

The spelling of 11715888 in words is "eleven million, seven hundred fifteen thousand, eight hundred eighty-eight".