13214909 has 2 divisors, whose sum is σ = 13214910. Its totient is φ = 13214908.

The previous prime is 13214893. The next prime is 13214917. The reversal of 13214909 is 90941231.

It is a happy number.

13214909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10099684 + 3115225 = 3178^2 + 1765^2 .

It is an emirp because it is prime and its reverse (90941231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13214909 - 2⁴ = 13214893 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 (13214009) 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, 6607454 + 6607455.

It is an arithmetic number, because the mean of its divisors is an integer number (6607455).

Almost surely, 2^13214909 is an apocalyptic number.

It is an amenable number.

13214909 is a deficient number, since it is larger than the sum of its proper divisors (1).

13214909 is an equidigital number, since it uses as much as digits as its factorization.

13214909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 13214909 is about 3635.2316294839. The cubic root of 13214909 is about 236.4220936594.

The spelling of 13214909 in words is "thirteen million, two hundred fourteen thousand, nine hundred nine".