Adding to 13406 its reverse (60431), we get a palindrome (73837).
It is a semiprime because it is the product of two primes.
It is a Curzon number.
It is a plaindrome in base 16.
It is a congruent number.
It is an unprimeable number.
213406 is an apocalyptic number.
13406 is an equidigital number, since it uses as much as digits as its factorization.
13406 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6705.
The square root of 13406 is about 115.7842821803. The cubic root of 13406 is about 23.7556219378.
The spelling of 13406 in words is "thirteen thousand, four hundred six".