11889960 has 32 divisors (see below), whose sum is σ = 35670240. Its totient is φ = 3170624.

The previous prime is 11889949. The next prime is 11889961. The reversal of 11889960 is 6998811.

11889960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11889960² = 282742297603200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11889961) 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, 49422 + ... + 49661.

It is an arithmetic number, because the mean of its divisors is an integer number (1114695).

Almost surely, 2^11889960 is an apocalyptic number.

11889960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11889960 is an abundant number, since it is smaller than the sum of its proper divisors (23780280).

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

11889960 is a wasteful number, since it uses less digits than its factorization.

11889960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99097 (or 99093 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 11889960 is about 3448.1821297605. The cubic root of 11889960 is about 228.2408965113.

The spelling of 11889960 in words is "eleven million, eight hundred eighty-nine thousand, nine hundred sixty".