12773 has 4 divisors (see below), whose sum is σ = 13068. Its totient is φ = 12480.

The previous prime is 12763. The next prime is 12781. The reversal of 12773 is 37721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37721 = 67 ⋅563.

It can be written as a sum of positive squares in 2 ways, for example, as 9409 + 3364 = 97^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 12773 - 2⁴ = 12757 is a prime.

It is a Duffinian number.

Its product of digits (294) is a multiple of the sum of its prime divisors (294).

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 173.

It is an arithmetic number, because the mean of its divisors is an integer number (3267).

2¹²⁷⁷³ is an apocalyptic number.

It is an amenable number.

12773 is a deficient number, since it is larger than the sum of its proper divisors (295).

12773 is an equidigital number, since it uses as much as digits as its factorization.

12773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its digits is 294, while the sum is 20.

The square root of 12773 is about 113.0176977292. The cubic root of 12773 is about 23.3756827276.

The spelling of 12773 in words is "twelve thousand, seven hundred seventy-three", and thus it is an iban number.