13826928 has 20 divisors (see below), whose sum is σ = 35719688. Its totient is φ = 4608960.

The previous prime is 13826921. The next prime is 13826929. The reversal of 13826928 is 82962831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13826921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143983 + ... + 144078.

Almost surely, 2^13826928 is an apocalyptic number.

It is an amenable number.

13826928 is an abundant number, since it is smaller than the sum of its proper divisors (21892760).

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

13826928 is a wasteful number, since it uses less digits than its factorization.

13826928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288072 (or 288066 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 13826928 is about 3718.4577448184. The cubic root of 13826928 is about 240.0169432483.

The spelling of 13826928 in words is "thirteen million, eight hundred twenty-six thousand, nine hundred twenty-eight".