13803404 has 24 divisors (see below), whose sum is σ = 25643520. Its totient is φ = 6487184.

The previous prime is 13803403. The next prime is 13803421. The reversal of 13803404 is 40430831.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 13803404.

It is not an unprimeable number, because it can be changed into a prime (13803403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4157 + ... + 6699.

It is an arithmetic number, because the mean of its divisors is an integer number (1068480).

Almost surely, 2^13803404 is an apocalyptic number.

It is an amenable number.

13803404 is a deficient number, since it is larger than the sum of its proper divisors (11840116).

13803404 is a wasteful number, since it uses less digits than its factorization.

13803404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629 (or 2627 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 13803404 is about 3715.2932589501. The cubic root of 13803404 is about 239.8807509436.

The spelling of 13803404 in words is "thirteen million, eight hundred three thousand, four hundred four".