12797943 has 4 divisors (see below), whose sum is σ = 17063928. Its totient is φ = 8531960.

The previous prime is 12797929. The next prime is 12797951. The reversal of 12797943 is 34979721.

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

It is a cyclic number.

It is not a de Polignac number, because 12797943 - 2⁴ = 12797927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12797895 and 12797904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12797143) 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, 2132988 + ... + 2132993.

It is an arithmetic number, because the mean of its divisors is an integer number (4265982).

Almost surely, 2^12797943 is an apocalyptic number.

12797943 is a deficient number, since it is larger than the sum of its proper divisors (4265985).

12797943 is an equidigital number, since it uses as much as digits as its factorization.

12797943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265984.

The product of its digits is 95256, while the sum is 42.

The square root of 12797943 is about 3577.4212779599. The cubic root of 12797943 is about 233.9088877514.

The spelling of 12797943 in words is "twelve million, seven hundred ninety-seven thousand, nine hundred forty-three".