13836217 has 2 divisors, whose sum is σ = 13836218. Its totient is φ = 13836216.

The previous prime is 13836169. The next prime is 13836223. The reversal of 13836217 is 71263831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7974976 + 5861241 = 2824^2 + 2421^2 .

It is an emirp because it is prime and its reverse (71263831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13836217 - 2¹⁹ = 13311929 is a prime.

It is not a weakly prime, because it can be changed into another prime (13836257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6918108 + 6918109.

It is an arithmetic number, because the mean of its divisors is an integer number (6918109).

Almost surely, 2^13836217 is an apocalyptic number.

It is an amenable number.

13836217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13836217 is an equidigital number, since it uses as much as digits as its factorization.

13836217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 13836217 is about 3719.7065744491. The cubic root of 13836217 is about 240.0706794145.

The spelling of 13836217 in words is "thirteen million, eight hundred thirty-six thousand, two hundred seventeen".