13222799 has 4 divisors (see below), whose sum is σ = 13232736. Its totient is φ = 13212864.

The previous prime is 13222789. The next prime is 13222823. The reversal of 13222799 is 99722231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13222799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222789) 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, 2594 + ... + 5759.

It is an arithmetic number, because the mean of its divisors is an integer number (3308184).

Almost surely, 2^13222799 is an apocalyptic number.

13222799 is a deficient number, since it is larger than the sum of its proper divisors (9937).

13222799 is an equidigital number, since it uses as much as digits as its factorization.

13222799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936.

The product of its digits is 13608, while the sum is 35.

The square root of 13222799 is about 3636.3166803786. The cubic root of 13222799 is about 236.4691364653.

The spelling of 13222799 in words is "thirteen million, two hundred twenty-two thousand, seven hundred ninety-nine".