14305021 has 4 divisors (see below), whose sum is σ = 14338492. Its totient is φ = 14271552.

The previous prime is 14305019. The next prime is 14305063. The reversal of 14305021 is 12050341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 511225 + 13793796 = 715^2 + 3714^2 .

It is a cyclic number.

It is not a de Polignac number, because 14305021 - 2¹ = 14305019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14304986 and 14305004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14305001) 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, 16086 + ... + 16951.

It is an arithmetic number, because the mean of its divisors is an integer number (3584623).

Almost surely, 2^14305021 is an apocalyptic number.

It is an amenable number.

14305021 is a deficient number, since it is larger than the sum of its proper divisors (33471).

14305021 is an equidigital number, since it uses as much as digits as its factorization.

14305021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33470.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 14305021 is about 3782.1979059801. The cubic root of 14305021 is about 242.7520092476.

Adding to 14305021 its reverse (12050341), we get a palindrome (26355362).

The spelling of 14305021 in words is "fourteen million, three hundred five thousand, twenty-one".