13886028 has 36 divisors (see below), whose sum is σ = 37802128. Its totient is φ = 4272480.

The previous prime is 13886023. The next prime is 13886051. The reversal of 13886028 is 82068831.

13886028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13885983 and 13886001.

It is not an unprimeable number, because it can be changed into a prime (13886023) 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, 14368 + ... + 15303.

Almost surely, 2^13886028 is an apocalyptic number.

13886028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13886028 is an abundant number, since it is smaller than the sum of its proper divisors (23916100).

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

13886028 is a wasteful number, since it uses less digits than its factorization.

13886028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29694 (or 29689 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 13886028 is about 3726.3961142101. The cubic root of 13886028 is about 240.3584227881.

The spelling of 13886028 in words is "thirteen million, eight hundred eighty-six thousand, twenty-eight".