14291663 has 4 divisors (see below), whose sum is σ = 14359608. Its totient is φ = 14223720.

The previous prime is 14291659. The next prime is 14291681. The reversal of 14291663 is 36619241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14291663 - 2² = 14291659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14291063) 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 in 3 ways as a sum of consecutive naturals, for example, 33656 + ... + 34077.

It is an arithmetic number, because the mean of its divisors is an integer number (3589902).

Almost surely, 2^14291663 is an apocalyptic number.

14291663 is a deficient number, since it is larger than the sum of its proper divisors (67945).

14291663 is an equidigital number, since it uses as much as digits as its factorization.

14291663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67944.

The product of its digits is 7776, while the sum is 32.

The square root of 14291663 is about 3780.4315891178. The cubic root of 14291663 is about 242.6764252690.

The spelling of 14291663 in words is "fourteen million, two hundred ninety-one thousand, six hundred sixty-three".