12865343 has 4 divisors (see below), whose sum is σ = 12875808. Its totient is φ = 12854880.

The previous prime is 12865331. The next prime is 12865361. The reversal of 12865343 is 34356821.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34356821 = 59 ⋅582319.

It is a cyclic number.

It is not a de Polignac number, because 12865343 - 2⁸ = 12865087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12865313) 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, 3098 + ... + 5943.

It is an arithmetic number, because the mean of its divisors is an integer number (3218952).

Almost surely, 2^12865343 is an apocalyptic number.

12865343 is a deficient number, since it is larger than the sum of its proper divisors (10465).

12865343 is an equidigital number, since it uses as much as digits as its factorization.

12865343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10464.

The product of its digits is 17280, while the sum is 32.

The square root of 12865343 is about 3586.8291010306. The cubic root of 12865343 is about 234.3187938228.

The spelling of 12865343 in words is "twelve million, eight hundred sixty-five thousand, three hundred forty-three".