16871 is nontrivially palindromic in base 3.
It is a strong prime.
It is a cyclic number.
It is a Chen prime.
It is a plaindrome in base 13.
It is a nialpdrome in base 14.
It is a congruent number.
It is a good prime.
216871 is an apocalyptic number.
16871 is an equidigital number, since it uses as much as digits as its factorization.
16871 is an evil number, because the sum of its binary digits is even.
The square root of 16871 is about 129.8884136480. Note that the first 3 decimals coincide. The cubic root of 16871 is about 25.6476124018.
Subtracting 16871 from its reverse (17861), we obtain a triangular number (990 = T44).
The spelling of 16871 in words is "sixteen thousand, eight hundred seventy-one".