13443804 has 72 divisors (see below), whose sum is σ = 39272688. Its totient is φ = 3832320.

The previous prime is 13443803. The next prime is 13443809. The reversal of 13443804 is 40834431.

13443804 is nontrivially palindromic in base 16.

13443804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5734 + ... + 7730.

It is an arithmetic number, because the mean of its divisors is an integer number (545454).

Almost surely, 2^13443804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13443804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19636344).

13443804 is an abundant number, since it is smaller than the sum of its proper divisors (25828884).

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

13443804 is a wasteful number, since it uses less digits than its factorization.

13443804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035 (or 2030 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 13443804 is about 3666.5793322932. The cubic root of 13443804 is about 237.7793072239.

The spelling of 13443804 in words is "thirteen million, four hundred forty-three thousand, eight hundred four".