12810673 has 4 divisors (see below), whose sum is σ = 13564260. Its totient is φ = 12057088.

The previous prime is 12810667. The next prime is 12810709. The reversal of 12810673 is 37601821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37601821 = 59 ⋅637319.

It can be written as a sum of positive squares in 2 ways, for example, as 8196769 + 4613904 = 2863^2 + 2148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12810673 is a prime.

It is a super-2 number, since 2×12810673² = 328226685425858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12810073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376768 + ... + 376801.

It is an arithmetic number, because the mean of its divisors is an integer number (3391065).

Almost surely, 2^12810673 is an apocalyptic number.

It is an amenable number.

12810673 is a deficient number, since it is larger than the sum of its proper divisors (753587).

12810673 is an equidigital number, since it uses as much as digits as its factorization.

12810673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753586.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12810673 is about 3579.2000502906. The cubic root of 12810673 is about 233.9864177472.

It can be divided in two parts, 128 and 10673, that added together give a palindrome (10801).

The spelling of 12810673 in words is "twelve million, eight hundred ten thousand, six hundred seventy-three".