13728844 has 12 divisors (see below), whose sum is σ = 24364368. Its totient is φ = 6767600.

The previous prime is 13728823. The next prime is 13728881. The reversal of 13728844 is 44882731.

13728844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23887 + ... + 24454.

It is an arithmetic number, because the mean of its divisors is an integer number (2030364).

Almost surely, 2^13728844 is an apocalyptic number.

It is an amenable number.

13728844 is a deficient number, since it is larger than the sum of its proper divisors (10635524).

13728844 is a wasteful number, since it uses less digits than its factorization.

13728844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48416 (or 48414 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 13728844 is about 3705.2454709506. The cubic root of 13728844 is about 239.4480603544.

The spelling of 13728844 in words is "thirteen million, seven hundred twenty-eight thousand, eight hundred forty-four".