14684287 has 2 divisors, whose sum is σ = 14684288. Its totient is φ = 14684286.

The previous prime is 14684261. The next prime is 14684309. The reversal of 14684287 is 78248641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14684287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14684987) 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, 7342143 + 7342144.

It is an arithmetic number, because the mean of its divisors is an integer number (7342144).

Almost surely, 2^14684287 is an apocalyptic number.

14684287 is a deficient number, since it is larger than the sum of its proper divisors (1).

14684287 is an equidigital number, since it uses as much as digits as its factorization.

14684287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 40.

The square root of 14684287 is about 3832.0082202417. The cubic root of 14684287 is about 244.8786682302.

The spelling of 14684287 in words is "fourteen million, six hundred eighty-four thousand, two hundred eighty-seven".