13827728 has 20 divisors (see below), whose sum is σ = 27193200. Its totient is φ = 6810144.

The previous prime is 13827721. The next prime is 13827731. The reversal of 13827728 is 82772831.

It is a junction number, because it is equal to n+sod(n) for n = 13827691 and 13827700.

It is not an unprimeable number, because it can be changed into a prime (13827721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5378 + ... + 7521.

It is an arithmetic number, because the mean of its divisors is an integer number (1359660).

Almost surely, 2^13827728 is an apocalyptic number.

It is an amenable number.

13827728 is a deficient number, since it is larger than the sum of its proper divisors (13365472).

13827728 is a wasteful number, since it uses less digits than its factorization.

13827728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12974 (or 12968 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The square root of 13827728 is about 3718.5653147417. The cubic root of 13827728 is about 240.0215721350.

The spelling of 13827728 in words is "thirteen million, eight hundred twenty-seven thousand, seven hundred twenty-eight".