11888520 has 64 divisors (see below), whose sum is σ = 40763520. Its totient is φ = 2717184.

The previous prime is 11888501. The next prime is 11888533. The reversal of 11888520 is 2588811.

11888520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6237 + ... + 7916.

It is an arithmetic number, because the mean of its divisors is an integer number (636930).

Almost surely, 2^11888520 is an apocalyptic number.

11888520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11888520 is an abundant number, since it is smaller than the sum of its proper divisors (28875000).

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

11888520 is a wasteful number, since it uses less digits than its factorization.

11888520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14174 (or 14170 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 11888520 is about 3447.9733177622. The cubic root of 11888520 is about 228.2316820099.

The spelling of 11888520 in words is "eleven million, eight hundred eighty-eight thousand, five hundred twenty".