12873 has 8 divisors (see below), whose sum is σ = 19648. Its totient is φ = 7344.

The previous prime is 12853. The next prime is 12889. The reversal of 12873 is 37821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12873 - 2⁵ = 12841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 613 = 12873 / (1 + 2 + 8 + 7 + 3).

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 8 and base 11.

It is not an unprimeable number, because it can be changed into a prime (12823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286 + ... + 327.

It is an arithmetic number, because the mean of its divisors is an integer number (2456).

2¹²⁸⁷³ is an apocalyptic number.

It is an amenable number.

12873 is a deficient number, since it is larger than the sum of its proper divisors (6775).

12873 is an equidigital number, since it uses as much as digits as its factorization.

12873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623.

The product of its digits is 336, while the sum is 21.

The square root of 12873 is about 113.4592437838. The cubic root of 12873 is about 23.4365270707.

The spelling of 12873 in words is "twelve thousand, eight hundred seventy-three".