It is a plaindrome in base 13.
It is a nialpdrome in base 12.
It is a congruent number.
216872 is an apocalyptic number.
16872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 16872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16872 is a wasteful number, since it uses less digits than its factorization.
16872 is an evil number, because the sum of its binary digits is even.
The square root of 16872 is about 129.8922630490. The cubic root of 16872 is about 25.6481191314.
16872 divided by its sum of digits (24) gives a triangular number (703 = T37).
The spelling of 16872 in words is "sixteen thousand, eight hundred seventy-two".