14917997 has 2 divisors, whose sum is σ = 14917998. Its totient is φ = 14917996.

The previous prime is 14917967. The next prime is 14918011. The reversal of 14917997 is 79971941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14032516 + 885481 = 3746^2 + 941^2 .

It is a cyclic number.

It is not a de Polignac number, because 14917997 - 2⁸ = 14917741 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 (14917927) 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, 7458998 + 7458999.

It is an arithmetic number, because the mean of its divisors is an integer number (7458999).

Almost surely, 2^14917997 is an apocalyptic number.

It is an amenable number.

14917997 is a deficient number, since it is larger than the sum of its proper divisors (1).

14917997 is an equidigital number, since it uses as much as digits as its factorization.

14917997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 47.

The square root of 14917997 is about 3862.3822959412. The cubic root of 14917997 is about 246.1709708864.

The spelling of 14917997 in words is "fourteen million, nine hundred seventeen thousand, nine hundred ninety-seven".