11889612 has 48 divisors (see below), whose sum is σ = 35230720. Its totient is φ = 3396816.

The previous prime is 11889607. The next prime is 11889641. The reversal of 11889612 is 21698811.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 7108 + ... + 8619.

Almost surely, 2^11889612 is an apocalyptic number.

11889612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11889612 is an abundant number, since it is smaller than the sum of its proper divisors (23341108).

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

11889612 is a wasteful number, since it uses less digits than its factorization.

11889612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15747 (or 15739 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 11889612 is about 3448.1316680197. The cubic root of 11889612 is about 228.2386697416.

The spelling of 11889612 in words is "eleven million, eight hundred eighty-nine thousand, six hundred twelve".