11632820 has 24 divisors (see below), whose sum is σ = 24670464. Its totient is φ = 4607136.

The previous prime is 11632813. The next prime is 11632849. The reversal of 11632820 is 2823611.

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, 764 + ... + 4883.

It is an arithmetic number, because the mean of its divisors is an integer number (1027936).

Almost surely, 2^11632820 is an apocalyptic number.

11632820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11632820 is an abundant number, since it is smaller than the sum of its proper divisors (13037644).

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

11632820 is a wasteful number, since it uses less digits than its factorization.

11632820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759 (or 5757 counting only the distinct ones).

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

The square root of 11632820 is about 3410.6920118944. The cubic root of 11632820 is about 226.5835287180.

The spelling of 11632820 in words is "eleven million, six hundred thirty-two thousand, eight hundred twenty".