14272021 has 8 divisors (see below), whose sum is σ = 15069600. Its totient is φ = 13479120.

The previous prime is 14272019. The next prime is 14272039. The reversal of 14272021 is 12027241.

It is a happy number.

14272021 is nontrivially palindromic in base 15.

14272021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14272021 - 2¹ = 14272019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14272021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14272051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6426 + ... + 8356.

It is an arithmetic number, because the mean of its divisors is an integer number (1883700).

Almost surely, 2^14272021 is an apocalyptic number.

It is an amenable number.

14272021 is a deficient number, since it is larger than the sum of its proper divisors (797579).

14272021 is a wasteful number, since it uses less digits than its factorization.

14272021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 14272021 is about 3777.8328443699. The cubic root of 14272021 is about 242.5651987513.

Adding to 14272021 its reverse (12027241), we get a palindrome (26299262).

The spelling of 14272021 in words is "fourteen million, two hundred seventy-two thousand, twenty-one".