14218971 has 16 divisors (see below), whose sum is σ = 20487936. Its totient is φ = 8719776.

The previous prime is 14218969. The next prime is 14218993. The reversal of 14218971 is 17981241.

It is not a de Polignac number, because 14218971 - 2¹ = 14218969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14218951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16866 + ... + 17688.

It is an arithmetic number, because the mean of its divisors is an integer number (1280496).

Almost surely, 2^14218971 is an apocalyptic number.

14218971 is a deficient number, since it is larger than the sum of its proper divisors (6268965).

14218971 is a wasteful number, since it uses less digits than its factorization.

14218971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its digits is 4032, while the sum is 33.

The square root of 14218971 is about 3770.8050864504. The cubic root of 14218971 is about 242.2642822325.

The spelling of 14218971 in words is "fourteen million, two hundred eighteen thousand, nine hundred seventy-one".