12844407 has 4 divisors (see below), whose sum is σ = 17125880. Its totient is φ = 8562936.

The previous prime is 12844393. The next prime is 12844417. The reversal of 12844407 is 70444821.

12844407 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12844407 - 2⁸ = 12844151 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 (12844417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140732 + ... + 2140737.

It is an arithmetic number, because the mean of its divisors is an integer number (4281470).

Almost surely, 2^12844407 is an apocalyptic number.

12844407 is a deficient number, since it is larger than the sum of its proper divisors (4281473).

12844407 is an equidigital number, since it uses as much as digits as its factorization.

12844407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281472.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 12844407 is about 3583.9094575617. The cubic root of 12844407 is about 234.1916211098.

The spelling of 12844407 in words is "twelve million, eight hundred forty-four thousand, four hundred seven".