13892209 has 2 divisors, whose sum is σ = 13892210. Its totient is φ = 13892208.

The previous prime is 13892191. The next prime is 13892227. The reversal of 13892209 is 90229831.

It is a balanced prime because it is at equal distance from previous prime (13892191) and next prime (13892227).

It can be written as a sum of positive squares in only one way, i.e., 10705984 + 3186225 = 3272^2 + 1785^2 .

It is an emirp because it is prime and its reverse (90229831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13892209 - 2⁹ = 13891697 is a prime.

It is not a weakly prime, because it can be changed into another prime (13890209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6946104 + 6946105.

It is an arithmetic number, because the mean of its divisors is an integer number (6946105).

Almost surely, 2^13892209 is an apocalyptic number.

It is an amenable number.

13892209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13892209 is an equidigital number, since it uses as much as digits as its factorization.

13892209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 13892209 is about 3727.2253755307. The cubic root of 13892209 is about 240.3940805738.

The spelling of 13892209 in words is "thirteen million, eight hundred ninety-two thousand, two hundred nine".