12790843 has 4 divisors (see below), whose sum is σ = 13774768. Its totient is φ = 11806920.

The previous prime is 12790807. The next prime is 12790847. The reversal of 12790843 is 34809721.

12790843 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, and also an emirpimes, since its reverse is a distinct semiprime: 34809721 = 383 ⋅90887.

It is a cyclic number.

It is not a de Polignac number, because 12790843 - 2¹⁷ = 12659771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12790799 and 12790808.

It is not an unprimeable number, because it can be changed into a prime (12790847) 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, 491943 + ... + 491968.

It is an arithmetic number, because the mean of its divisors is an integer number (3443692).

Almost surely, 2^12790843 is an apocalyptic number.

12790843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12790843 is a deficient number, since it is larger than the sum of its proper divisors (983925).

12790843 is an equidigital number, since it uses as much as digits as its factorization.

12790843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983924.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12790843 is about 3576.4288053867. The cubic root of 12790843 is about 233.8656240198.

The spelling of 12790843 in words is "twelve million, seven hundred ninety thousand, eight hundred forty-three".