It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-16727 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
216727 is an apocalyptic number.
16727 is an equidigital number, since it uses as much as digits as its factorization.
16727 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 432.
The square root of 16727 is about 129.3329037794. The cubic root of 16727 is about 25.5744332967.
The spelling of 16727 in words is "sixteen thousand, seven hundred twenty-seven".