14310021 has 32 divisors (see below), whose sum is σ = 22694400. Its totient is φ = 7922880.

The previous prime is 14310019. The next prime is 14310077. The reversal of 14310021 is 12001341.

It is a happy number.

14310021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14310021 - 2¹ = 14310019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14309979 and 14310006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14310001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17790 + ... + 18576.

It is an arithmetic number, because the mean of its divisors is an integer number (709200).

Almost surely, 2^14310021 is an apocalyptic number.

14310021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14310021 is a deficient number, since it is larger than the sum of its proper divisors (8384379).

14310021 is a wasteful number, since it uses less digits than its factorization.

14310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 14310021 is about 3782.8588395551. The cubic root of 14310021 is about 242.7802887973.

Adding to 14310021 its reverse (12001341), we get a palindrome (26311362).

The spelling of 14310021 in words is "fourteen million, three hundred ten thousand, twenty-one".