13803828 has 24 divisors (see below), whose sum is σ = 32618880. Its totient is φ = 4542720.

The previous prime is 13803827. The next prime is 13803833. The reversal of 13803828 is 82830831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13803827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6333 + ... + 8228.

It is an arithmetic number, because the mean of its divisors is an integer number (1359120).

Almost surely, 2^13803828 is an apocalyptic number.

It is an amenable number.

13803828 is an abundant number, since it is smaller than the sum of its proper divisors (18815052).

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

13803828 is a wasteful number, since it uses less digits than its factorization.

13803828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14647 (or 14645 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 13803828 is about 3715.3503199564. The cubic root of 13803828 is about 239.8832070623.

The spelling of 13803828 in words is "thirteen million, eight hundred three thousand, eight hundred twenty-eight".