12800843 has 4 divisors (see below), whose sum is σ = 13964568. Its totient is φ = 11637120.

The previous prime is 12800833. The next prime is 12800849. The reversal of 12800843 is 34800821.

12800843 is digitally balanced in base 2, 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 12800843 - 2¹⁰ = 12799819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12800849) 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, 581846 + ... + 581867.

It is an arithmetic number, because the mean of its divisors is an integer number (3491142).

Almost surely, 2^12800843 is an apocalyptic number.

12800843 is a deficient number, since it is larger than the sum of its proper divisors (1163725).

12800843 is a wasteful number, since it uses less digits than its factorization.

12800843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163724.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 12800843 is about 3577.8265748915. The cubic root of 12800843 is about 233.9265542505.

The spelling of 12800843 in words is "twelve million, eight hundred thousand, eight hundred forty-three".