12768673 has 4 divisors (see below), whose sum is σ = 12779200. Its totient is φ = 12758148.

The previous prime is 12768667. The next prime is 12768689. The reversal of 12768673 is 37686721.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 37686721 = 2203 ⋅17107.

It is a cyclic number.

It is not a de Polignac number, because 12768673 - 2⁵ = 12768641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12768773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3165 + ... + 5962.

It is an arithmetic number, because the mean of its divisors is an integer number (3194800).

Almost surely, 2^12768673 is an apocalyptic number.

It is an amenable number.

12768673 is a deficient number, since it is larger than the sum of its proper divisors (10527).

12768673 is an equidigital number, since it uses as much as digits as its factorization.

12768673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10526.

The product of its digits is 84672, while the sum is 40.

The square root of 12768673 is about 3573.3280006179. The cubic root of 12768673 is about 233.7304283612.

The spelling of 12768673 in words is "twelve million, seven hundred sixty-eight thousand, six hundred seventy-three".