13855404 has 24 divisors (see below), whose sum is σ = 32498928. Its totient is φ = 4594240.

The previous prime is 13855403. The next prime is 13855409. The reversal of 13855404 is 40455831.

It is not an unprimeable number, because it can be changed into a prime (13855403) 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, 567 + ... + 5294.

It is an arithmetic number, because the mean of its divisors is an integer number (1354122).

Almost surely, 2^13855404 is an apocalyptic number.

It is an amenable number.

13855404 is an abundant number, since it is smaller than the sum of its proper divisors (18643524).

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

13855404 is a wasteful number, since it uses less digits than its factorization.

13855404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065 (or 6063 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 13855404 is about 3722.2847822272. The cubic root of 13855404 is about 240.1815986678.

The spelling of 13855404 in words is "thirteen million, eight hundred fifty-five thousand, four hundred four".