14187287 has 2 divisors, whose sum is σ = 14187288. Its totient is φ = 14187286.

The previous prime is 14187269. The next prime is 14187301. The reversal of 14187287 is 78278141.

It is a strong prime.

It is an emirp because it is prime and its reverse (78278141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14187287 is a prime.

It is a super-2 number, since 2×14187287² = 402558224840738, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14187287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14187247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7093643 + 7093644.

It is an arithmetic number, because the mean of its divisors is an integer number (7093644).

Almost surely, 2^14187287 is an apocalyptic number.

14187287 is a deficient number, since it is larger than the sum of its proper divisors (1).

14187287 is an equidigital number, since it uses as much as digits as its factorization.

14187287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25088, while the sum is 38.

The square root of 14187287 is about 3766.6015186106. The cubic root of 14187287 is about 242.0842033326.

The spelling of 14187287 in words is "fourteen million, one hundred eighty-seven thousand, two hundred eighty-seven".