13404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is a plaindrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 13404.
It is a congruent number.
It is an unprimeable number.
213404 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13404 is a wasteful number, since it uses less digits than its factorization.
13404 is an odious number, because the sum of its binary digits is odd.
The square root of 13404 is about 115.7756451073. The cubic root of 13404 is about 23.7544405363.
Adding to 13404 its reverse (40431), we get a palindrome (53835).
The spelling of 13404 in words is "thirteen thousand, four hundred four".