11561232 has 20 divisors (see below), whose sum is σ = 29866640. Its totient is φ = 3853728.

The previous prime is 11561219. The next prime is 11561237. The reversal of 11561232 is 23216511.

It is a junction number, because it is equal to n+sod(n) for n = 11561199 and 11561208.

It is not an unprimeable number, because it can be changed into a prime (11561237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120382 + ... + 120477.

It is an arithmetic number, because the mean of its divisors is an integer number (1493332).

Almost surely, 2^11561232 is an apocalyptic number.

11561232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11561232 is an abundant number, since it is smaller than the sum of its proper divisors (18305408).

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

11561232 is a wasteful number, since it uses less digits than its factorization.

11561232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240870 (or 240864 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 11561232 is about 3400.1811716437. The cubic root of 11561232 is about 226.1177760833.

Adding to 11561232 its reverse (23216511), we get a palindrome (34777743).

The spelling of 11561232 in words is "eleven million, five hundred sixty-one thousand, two hundred thirty-two".