12812673 has 4 divisors (see below), whose sum is σ = 17083568. Its totient is φ = 8541780.

The previous prime is 12812663. The next prime is 12812687. The reversal of 12812673 is 37621821.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37621821 = 3 ⋅12540607.

It is not a de Polignac number, because 12812673 - 2⁸ = 12812417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12812673.

It is not an unprimeable number, because it can be changed into a prime (12812663) 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, 2135443 + ... + 2135448.

It is an arithmetic number, because the mean of its divisors is an integer number (4270892).

Almost surely, 2^12812673 is an apocalyptic number.

It is an amenable number.

12812673 is a deficient number, since it is larger than the sum of its proper divisors (4270895).

12812673 is an equidigital number, since it uses as much as digits as its factorization.

12812673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270894.

The product of its digits is 4032, while the sum is 30.

The square root of 12812673 is about 3579.4794314257. The cubic root of 12812673 is about 233.9985937530.

The spelling of 12812673 in words is "twelve million, eight hundred twelve thousand, six hundred seventy-three".