It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a Duffinian number.
213321 is an apocalyptic number.
13321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13321 is a wasteful number, since it uses less digits than its factorization.
13321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 191.
The square root of 13321 is about 115.4166365824. The cubic root of 13321 is about 23.7053083826.
Adding to 13321 its sum of digits (10), we get a palindrome (13331).
Multiplying 13321 by its product of digits (18), we get a triangular number (239778 = T692).
Adding to 13321 its reverse (12331), we get a palindrome (25652).
Subtracting from 13321 its reverse (12331), we obtain a triangular number (990 = T44).
The spelling of 13321 in words is "thirteen thousand, three hundred twenty-one".