14863999 has 2 divisors, whose sum is σ = 14864000. Its totient is φ = 14863998.

The previous prime is 14863997. The next prime is 14864011. The reversal of 14863999 is 99936841.

It is a weak prime.

It is an emirp because it is prime and its reverse (99936841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14863999 - 2¹ = 14863997 is a prime.

Together with 14863997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14863993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7431999 + 7432000.

It is an arithmetic number, because the mean of its divisors is an integer number (7432000).

Almost surely, 2^14863999 is an apocalyptic number.

14863999 is a deficient number, since it is larger than the sum of its proper divisors (1).

14863999 is an equidigital number, since it uses as much as digits as its factorization.

14863999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 49.

The square root of 14863999 is about 3855.3857135182. The cubic root of 14863999 is about 245.8735938147.

The spelling of 14863999 in words is "fourteen million, eight hundred sixty-three thousand, nine hundred ninety-nine".