13223699 has 2 divisors, whose sum is σ = 13223700. Its totient is φ = 13223698.

The previous prime is 13223687. The next prime is 13223759. The reversal of 13223699 is 99632231.

13223699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13223699 - 2²⁰ = 12175123 is a prime.

It is not a weakly prime, because it can be changed into another prime (13223629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611849 + 6611850.

It is an arithmetic number, because the mean of its divisors is an integer number (6611850).

Almost surely, 2^13223699 is an apocalyptic number.

13223699 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223699 is an equidigital number, since it uses as much as digits as its factorization.

13223699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 35.

The square root of 13223699 is about 3636.4404298709. The cubic root of 13223699 is about 236.4745013757.

The spelling of 13223699 in words is "thirteen million, two hundred twenty-three thousand, six hundred ninety-nine".