13895728 has 40 divisors (see below), whose sum is σ = 33569280. Its totient is φ = 5413440.

The previous prime is 13895701. The next prime is 13895737. The reversal of 13895728 is 82759831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4408 + ... + 6871.

It is an arithmetic number, because the mean of its divisors is an integer number (839232).

Almost surely, 2^13895728 is an apocalyptic number.

It is an amenable number.

13895728 is an abundant number, since it is smaller than the sum of its proper divisors (19673552).

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

13895728 is a wasteful number, since it uses less digits than its factorization.

13895728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11305 (or 11299 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 13895728 is about 3727.6974126128. The cubic root of 13895728 is about 240.4143767305.

It can be divided in two parts, 1389 and 5728, that added together give a palindrome (7117).

The spelling of 13895728 in words is "thirteen million, eight hundred ninety-five thousand, seven hundred twenty-eight".