12799811 has 2 divisors, whose sum is σ = 12799812. Its totient is φ = 12799810.

The previous prime is 12799783. The next prime is 12799819. The reversal of 12799811 is 11899721.

12799811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (11899721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12799811 is a prime.

It is not a weakly prime, because it can be changed into another prime (12799819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6399905 + 6399906.

It is an arithmetic number, because the mean of its divisors is an integer number (6399906).

Almost surely, 2^12799811 is an apocalyptic number.

12799811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12799811 is an equidigital number, since it uses as much as digits as its factorization.

12799811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 38.

The square root of 12799811 is about 3577.6823503492. The cubic root of 12799811 is about 233.9202677194.

The spelling of 12799811 in words is "twelve million, seven hundred ninety-nine thousand, eight hundred eleven".