13803804 has 144 divisors (see below), whose sum is σ = 44486400. Its totient is φ = 3615840.

The previous prime is 13803799. The next prime is 13803827. The reversal of 13803804 is 40830831.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445269 + ... + 445299.

Almost surely, 2^13803804 is an apocalyptic number.

13803804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13803804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22243200).

13803804 is an abundant number, since it is smaller than the sum of its proper divisors (30682596).

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

13803804 is a wasteful number, since it uses less digits than its factorization.

13803804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 13803804 is about 3715.3470901115. The cubic root of 13803804 is about 239.8830680381.

It can be divided in two parts, 1380 and 3804, that added together give a square (5184 = 72²).

The spelling of 13803804 in words is "thirteen million, eight hundred three thousand, eight hundred four".