14309917 has 2 divisors, whose sum is σ = 14309918. Its totient is φ = 14309916.

The previous prime is 14309909. The next prime is 14309921. The reversal of 14309917 is 71990341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8213956 + 6095961 = 2866^2 + 2469^2 .

It is an emirp because it is prime and its reverse (71990341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14309917 - 2³ = 14309909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14309957) 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, 7154958 + 7154959.

It is an arithmetic number, because the mean of its divisors is an integer number (7154959).

Almost surely, 2^14309917 is an apocalyptic number.

It is an amenable number.

14309917 is a deficient number, since it is larger than the sum of its proper divisors (1).

14309917 is an equidigital number, since it uses as much as digits as its factorization.

14309917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 14309917 is about 3782.8450933127. The cubic root of 14309917 is about 242.7797006498.

The spelling of 14309917 in words is "fourteen million, three hundred nine thousand, nine hundred seventeen".