14894287 has 2 divisors, whose sum is σ = 14894288. Its totient is φ = 14894286.

The previous prime is 14894237. The next prime is 14894303. The reversal of 14894287 is 78249841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14894287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14894207) 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, 7447143 + 7447144.

It is an arithmetic number, because the mean of its divisors is an integer number (7447144).

Almost surely, 2^14894287 is an apocalyptic number.

14894287 is a deficient number, since it is larger than the sum of its proper divisors (1).

14894287 is an equidigital number, since it uses as much as digits as its factorization.

14894287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 43.

The square root of 14894287 is about 3859.3117262020. The cubic root of 14894287 is about 246.0404840064.

It can be divided in two parts, 1489 and 4287, that added together give a square (5776 = 76²).

The spelling of 14894287 in words is "fourteen million, eight hundred ninety-four thousand, two hundred eighty-seven".