14198917 has 2 divisors, whose sum is σ = 14198918. Its totient is φ = 14198916.

The previous prime is 14198911. The next prime is 14198953. The reversal of 14198917 is 71989141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 1766241 = 3526^2 + 1329^2 .

It is a cyclic number.

It is not a de Polignac number, because 14198917 - 2¹⁵ = 14166149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14198917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14198911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7099458 + 7099459.

It is an arithmetic number, because the mean of its divisors is an integer number (7099459).

Almost surely, 2^14198917 is an apocalyptic number.

It is an amenable number.

14198917 is a deficient number, since it is larger than the sum of its proper divisors (1).

14198917 is an equidigital number, since it uses as much as digits as its factorization.

14198917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 40.

The square root of 14198917 is about 3768.1450343637. The cubic root of 14198917 is about 242.1503346119.

The spelling of 14198917 in words is "fourteen million, one hundred ninety-eight thousand, nine hundred seventeen".