11831232 has 56 divisors (see below), whose sum is σ = 35779456. Its totient is φ = 3379968.

The previous prime is 11831221. The next prime is 11831233. The reversal of 11831232 is 23213811.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11831199 and 11831208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11831233) 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, 3058 + ... + 5745.

Almost surely, 2^11831232 is an apocalyptic number.

11831232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11831232 is an abundant number, since it is smaller than the sum of its proper divisors (23948224).

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

11831232 is an equidigital number, since it uses as much as digits as its factorization.

11831232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8825 (or 8815 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 11831232 is about 3439.6557967332. The cubic root of 11831232 is about 227.8644931954.

It can be divided in two parts, 1183 and 1232, that added together give a triangular number (2415 = T₆₉).

The spelling of 11831232 in words is "eleven million, eight hundred thirty-one thousand, two hundred thirty-two".