13330432 has 48 divisors (see below), whose sum is σ = 27911520. Its totient is φ = 6352896.

The previous prime is 13330423. The next prime is 13330439. The reversal of 13330432 is 23403331.

It is not an unprimeable number, because it can be changed into a prime (13330439) 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, 46963 + ... + 47245.

It is an arithmetic number, because the mean of its divisors is an integer number (581490).

Almost surely, 2^13330432 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 13330432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13955760).

13330432 is an abundant number, since it is smaller than the sum of its proper divisors (14581088).

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

13330432 is an equidigital number, since it uses as much as digits as its factorization.

13330432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 13330432 is about 3651.0864136583. The cubic root of 13330432 is about 237.1090194965.

Adding to 13330432 its reverse (23403331), we get a palindrome (36733763).

The spelling of 13330432 in words is "thirteen million, three hundred thirty thousand, four hundred thirty-two".