14330021 has 2 divisors, whose sum is σ = 14330022. Its totient is φ = 14330020.

The previous prime is 14330011. The next prime is 14330053. The reversal of 14330021 is 12003341.

14330021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14145121 + 184900 = 3761^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 14330021 - 2¹⁰ = 14328997 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14329978 and 14330005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14330011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7165010 + 7165011.

It is an arithmetic number, because the mean of its divisors is an integer number (7165011).

Almost surely, 2^14330021 is an apocalyptic number.

It is an amenable number.

14330021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14330021 is an equidigital number, since it uses as much as digits as its factorization.

14330021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 14330021 is about 3785.5014198914. The cubic root of 14330021 is about 242.8933411688.

Adding to 14330021 its reverse (12003341), we get a palindrome (26333362).

The spelling of 14330021 in words is "fourteen million, three hundred thirty thousand, twenty-one".