It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71031 = 3 ⋅23677.
It is a D-number.
It is a Duffinian number.
It is a plaindrome in base 15.
It is a nialpdrome in base 11.
213017 is an apocalyptic number.
It is an amenable number.
13017 is an equidigital number, since it uses as much as digits as its factorization.
13017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4342.
The square root of 13017 is about 114.0920680854. The cubic root of 13017 is about 23.5235918204.
Subtracting from 13017 its product of nonzero digits (21), we obtain a square (12996 = 1142).
Adding to 13017 its reverse (71031), we get a palindrome (84048).
The spelling of 13017 in words is "thirteen thousand, seventeen".