11689020 has 72 divisors (see below), whose sum is σ = 40526304. Its totient is φ = 2671488.

The previous prime is 11688983. The next prime is 11689039. The reversal of 11689020 is 2098611.

11689020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3379 + ... + 5898.

Almost surely, 2^11689020 is an apocalyptic number.

11689020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11689020 is an abundant number, since it is smaller than the sum of its proper divisors (28837284).

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

11689020 is a wasteful number, since it uses less digits than its factorization.

11689020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9299 (or 9294 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11689020 is about 3418.9208823838. The cubic root of 11689020 is about 226.9478296793.

The spelling of 11689020 in words is "eleven million, six hundred eighty-nine thousand, twenty".