11801232 has 30 divisors (see below), whose sum is σ = 33027462. Its totient is φ = 3933696.

The previous prime is 11801227. The next prime is 11801233. The reversal of 11801232 is 23210811.

It can be written as a sum of positive squares in only one way, i.e., 8856576 + 2944656 = 2976^2 + 1716^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11801233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40833 + ... + 41120.

Almost surely, 2^11801232 is an apocalyptic number.

11801232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11801232 is an abundant number, since it is smaller than the sum of its proper divisors (21226230).

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

11801232 is a wasteful number, since it uses less digits than its factorization.

11801232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81967 (or 81958 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 11801232 is about 3435.2921273161. The cubic root of 11801232 is about 227.6717344357.

The spelling of 11801232 in words is "eleven million, eight hundred one thousand, two hundred thirty-two".