11520432 has 120 divisors (see below), whose sum is σ = 40235520. Its totient is φ = 2989440.

The previous prime is 11520419. The next prime is 11520433. The reversal of 11520432 is 23402511.

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 (11520433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10569 + ... + 11607.

It is an arithmetic number, because the mean of its divisors is an integer number (335296).

Almost surely, 2^11520432 is an apocalyptic number.

11520432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11520432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20117760).

11520432 is an abundant number, since it is smaller than the sum of its proper divisors (28715088).

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

11520432 is a wasteful number, since it uses less digits than its factorization.

11520432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11520432 is about 3394.1761887091. The cubic root of 11520432 is about 225.8514700042.

Adding to 11520432 its reverse (23402511), we get a palindrome (34922943).

The spelling of 11520432 in words is "eleven million, five hundred twenty thousand, four hundred thirty-two".