12810443 has 8 divisors (see below), whose sum is σ = 13012560. Its totient is φ = 12610080.

The previous prime is 12810439. The next prime is 12810451. The reversal of 12810443 is 34401821.

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

It is a cyclic number.

It is not a de Polignac number, because 12810443 - 2² = 12810439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12810433) 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 7 ways as a sum of consecutive naturals, for example, 22721 + ... + 23277.

It is an arithmetic number, because the mean of its divisors is an integer number (1626570).

Almost surely, 2^12810443 is an apocalyptic number.

12810443 is a deficient number, since it is larger than the sum of its proper divisors (202117).

12810443 is a wasteful number, since it uses less digits than its factorization.

12810443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 12810443 is about 3579.1679200619. The cubic root of 12810443 is about 233.9850174253.

The spelling of 12810443 in words is "twelve million, eight hundred ten thousand, four hundred forty-three".