13728332 has 36 divisors (see below), whose sum is σ = 26001360. Its totient is φ = 6329664.

The previous prime is 13728331. The next prime is 13728343. The reversal of 13728332 is 23382731.

13728332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13728295 and 13728304.

It is not an unprimeable number, because it can be changed into a prime (13728331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125894 + ... + 126002.

It is an arithmetic number, because the mean of its divisors is an integer number (722260).

Almost surely, 2^13728332 is an apocalyptic number.

It is an amenable number.

13728332 is a deficient number, since it is larger than the sum of its proper divisors (12273028).

13728332 is a wasteful number, since it uses less digits than its factorization.

13728332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 171 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 13728332 is about 3705.1763790675. The cubic root of 13728332 is about 239.4450836791.

The spelling of 13728332 in words is "thirteen million, seven hundred twenty-eight thousand, three hundred thirty-two".