11683220 has 24 divisors (see below), whose sum is σ = 24641064. Its totient is φ = 4653056.

The previous prime is 11683207. The next prime is 11683253. The reversal of 11683220 is 2238611.

It can be written as a sum of positive squares in 4 ways, for example, as 6895876 + 4787344 = 2626^2 + 2188^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4004 + ... + 6276.

It is an arithmetic number, because the mean of its divisors is an integer number (1026711).

Almost surely, 2^11683220 is an apocalyptic number.

11683220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11683220 is an abundant number, since it is smaller than the sum of its proper divisors (12957844).

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

11683220 is a wasteful number, since it uses less digits than its factorization.

11683220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539 (or 2537 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 11683220 is about 3418.0725562808. The cubic root of 11683220 is about 226.9102868917.

The spelling of 11683220 in words is "eleven million, six hundred eighty-three thousand, two hundred twenty".