11903232 has 72 divisors (see below), whose sum is σ = 34584480. Its totient is φ = 3604480.

The previous prime is 11903219. The next prime is 11903237. The reversal of 11903232 is 23230911.

It is a happy number.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11903199 and 11903208.

It is not an unprimeable number, because it can be changed into a prime (11903237) 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, 7744 + ... + 9152.

It is an arithmetic number, because the mean of its divisors is an integer number (480340).

Almost surely, 2^11903232 is an apocalyptic number.

11903232 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 11903232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17292240).

11903232 is an abundant number, since it is smaller than the sum of its proper divisors (22681248).

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

11903232 is a wasteful number, since it uses less digits than its factorization.

11903232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1425 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 11903232 is about 3450.1060853255. The cubic root of 11903232 is about 228.3257884922.

The spelling of 11903232 in words is "eleven million, nine hundred three thousand, two hundred thirty-two".