11818432 has 28 divisors (see below), whose sum is σ = 23957280. Its totient is φ = 5782016.

The previous prime is 11818393. The next prime is 11818439. The reversal of 11818432 is 23481811.

It is a self number, because there is not a number n which added to its sum of digits gives 11818432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11818439) 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, 1044 + ... + 4972.

Almost surely, 2^11818432 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 11818432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11978640).

11818432 is an abundant number, since it is smaller than the sum of its proper divisors (12138848).

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

11818432 is an equidigital number, since it uses as much as digits as its factorization.

11818432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988 (or 3978 counting only the distinct ones).

The product of its digits is 1536, while the sum is 28.

The square root of 11818432 is about 3437.7946419180. The cubic root of 11818432 is about 227.7822893592.

The spelling of 11818432 in words is "eleven million, eight hundred eighteen thousand, four hundred thirty-two".