11571232 has 48 divisors (see below), whose sum is σ = 24275160. Its totient is φ = 5419008.

The previous prime is 11571229. The next prime is 11571239. The reversal of 11571232 is 23217511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10732176 + 839056 = 3276^2 + 916^2 .

It is not an unprimeable number, because it can be changed into a prime (11571239) 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, 34168 + ... + 34504.

Almost surely, 2^11571232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11571232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12137580).

11571232 is an abundant number, since it is smaller than the sum of its proper divisors (12703928).

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

11571232 is a wasteful number, since it uses less digits than its factorization.

11571232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 405 counting only the distinct ones).

The product of its digits is 420, while the sum is 22.

The square root of 11571232 is about 3401.6513636762. The cubic root of 11571232 is about 226.1829515516.

Adding to 11571232 its reverse (23217511), we get a palindrome (34788743).

The spelling of 11571232 in words is "eleven million, five hundred seventy-one thousand, two hundred thirty-two".