13165799 has 2 divisors, whose sum is σ = 13165800. Its totient is φ = 13165798.

The previous prime is 13165777. The next prime is 13165807. The reversal of 13165799 is 99756131.

It is a strong prime.

It is an emirp because it is prime and its reverse (99756131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13165799 - 2¹² = 13161703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13165099) 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 as a sum of consecutive naturals, namely, 6582899 + 6582900.

It is an arithmetic number, because the mean of its divisors is an integer number (6582900).

Almost surely, 2^13165799 is an apocalyptic number.

13165799 is a deficient number, since it is larger than the sum of its proper divisors (1).

13165799 is an equidigital number, since it uses as much as digits as its factorization.

13165799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 41.

The square root of 13165799 is about 3628.4706144600. The cubic root of 13165799 is about 236.1288616854.

The spelling of 13165799 in words is "thirteen million, one hundred sixty-five thousand, seven hundred ninety-nine".