12799843 has 4 divisors (see below), whose sum is σ = 14628400. Its totient is φ = 10971288.

The previous prime is 12799837. The next prime is 12799847. The reversal of 12799843 is 34899721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34899721 = 751 ⋅46471.

It is a cyclic number.

It is not a de Polignac number, because 12799843 - 2⁵ = 12799811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12799843.

It is not an unprimeable number, because it can be changed into a prime (12799847) 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, 914268 + ... + 914281.

It is an arithmetic number, because the mean of its divisors is an integer number (3657100).

Almost surely, 2^12799843 is an apocalyptic number.

12799843 is a deficient number, since it is larger than the sum of its proper divisors (1828557).

12799843 is an equidigital number, since it uses as much as digits as its factorization.

12799843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828556.

The product of its digits is 108864, while the sum is 43.

The square root of 12799843 is about 3577.6868225154. The cubic root of 12799843 is about 233.9204626557.

The spelling of 12799843 in words is "twelve million, seven hundred ninety-nine thousand, eight hundred forty-three".