14219887 has 4 divisors (see below), whose sum is σ = 15512616. Its totient is φ = 12927160.

The previous prime is 14219873. The next prime is 14219927. The reversal of 14219887 is 78891241.

It is a happy number.

14219887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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-14219887 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 (14219827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646348 + ... + 646369.

It is an arithmetic number, because the mean of its divisors is an integer number (3878154).

Almost surely, 2^14219887 is an apocalyptic number.

14219887 is a deficient number, since it is larger than the sum of its proper divisors (1292729).

14219887 is a wasteful number, since it uses less digits than its factorization.

14219887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292728.

The product of its digits is 32256, while the sum is 40.

The square root of 14219887 is about 3770.9265439677. The cubic root of 14219887 is about 242.2694844214.

The spelling of 14219887 in words is "fourteen million, two hundred nineteen thousand, eight hundred eighty-seven".