14209213 has 2 divisors, whose sum is σ = 14209214. Its totient is φ = 14209212.

The previous prime is 14209189. The next prime is 14209219. The reversal of 14209213 is 31290241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13235044 + 974169 = 3638^2 + 987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14209213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14209219) 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, 7104606 + 7104607.

It is an arithmetic number, because the mean of its divisors is an integer number (7104607).

Almost surely, 2^14209213 is an apocalyptic number.

It is an amenable number.

14209213 is a deficient number, since it is larger than the sum of its proper divisors (1).

14209213 is an equidigital number, since it uses as much as digits as its factorization.

14209213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 14209213 is about 3769.5109762408. The cubic root of 14209213 is about 242.2088502829.

Adding to 14209213 its reverse (31290241), we get a palindrome (45499454).

The spelling of 14209213 in words is "fourteen million, two hundred nine thousand, two hundred thirteen".