16873 has 4 divisors (see below), whose sum is σ = 17280. Its totient is φ = 16468.

The previous prime is 16871. The next prime is 16879. The reversal of 16873 is 37861.

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.

It is a cyclic number.

It is not a de Polignac number, because 16873 - 2¹ = 16871 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (16871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133 + ... + 226.

It is an arithmetic number, because the mean of its divisors is an integer number (4320).

2¹⁶⁸⁷³ is an apocalyptic number.

It is an amenable number.

16873 is a deficient number, since it is larger than the sum of its proper divisors (407).

16873 is an equidigital number, since it uses as much as digits as its factorization.

16873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its digits is 1008, while the sum is 25.

The square root of 16873 is about 129.8961123360. The cubic root of 16873 is about 25.6486258410.

The spelling of 16873 in words is "sixteen thousand, eight hundred seventy-three".