14018021 has 4 divisors (see below), whose sum is σ = 14035200. Its totient is φ = 14000844.

The previous prime is 14018009. The next prime is 14018051. The reversal of 14018021 is 12081041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14018021 - 2¹⁰ = 14016997 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 (14018051) 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, 7301 + ... + 9018.

It is an arithmetic number, because the mean of its divisors is an integer number (3508800).

Almost surely, 2^14018021 is an apocalyptic number.

It is an amenable number.

14018021 is a deficient number, since it is larger than the sum of its proper divisors (17179).

14018021 is an equidigital number, since it uses as much as digits as its factorization.

14018021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17178.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 14018021 is about 3744.0647697389. The cubic root of 14018021 is about 241.1175943964.

Adding to 14018021 its reverse (12081041), we get a palindrome (26099062).

The spelling of 14018021 in words is "fourteen million, eighteen thousand, twenty-one".