13667117 has 2 divisors, whose sum is σ = 13667118. Its totient is φ = 13667116.

The previous prime is 13667089. The next prime is 13667123. The reversal of 13667117 is 71176631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13402921 + 264196 = 3661^2 + 514^2 .

It is an emirp because it is prime and its reverse (71176631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13667117 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 (13667197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6833558 + 6833559.

It is an arithmetic number, because the mean of its divisors is an integer number (6833559).

Almost surely, 2^13667117 is an apocalyptic number.

It is an amenable number.

13667117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13667117 is an equidigital number, since it uses as much as digits as its factorization.

13667117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 32.

The square root of 13667117 is about 3696.9064094186. The cubic root of 13667117 is about 239.0886560329.

The spelling of 13667117 in words is "thirteen million, six hundred sixty-seven thousand, one hundred seventeen".