14189863 has 4 divisors (see below), whose sum is σ = 14401720. Its totient is φ = 13978008.

The previous prime is 14189809. The next prime is 14189869. The reversal of 14189863 is 36898141.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14189863 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 (14189869) 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 in 3 ways as a sum of consecutive naturals, for example, 105828 + ... + 105961.

It is an arithmetic number, because the mean of its divisors is an integer number (3600430).

Almost surely, 2^14189863 is an apocalyptic number.

14189863 is a deficient number, since it is larger than the sum of its proper divisors (211857).

14189863 is an equidigital number, since it uses as much as digits as its factorization.

14189863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211856.

The product of its digits is 41472, while the sum is 40.

The square root of 14189863 is about 3766.9434559069. The cubic root of 14189863 is about 242.0988542702.

The spelling of 14189863 in words is "fourteen million, one hundred eighty-nine thousand, eight hundred sixty-three".