14302321 has 18 divisors (see below), whose sum is σ = 16740710. Its totient is φ = 12207360.

The previous prime is 14302319. The next prime is 14302331. The reversal of 14302321 is 12320341.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9217296 + 5085025 = 3036^2 + 2255^2 .

It is not a de Polignac number, because 14302321 - 2¹ = 14302319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14302295 and 14302304.

It is not an unprimeable number, because it can be changed into a prime (14302331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34765 + ... + 35173.

Almost surely, 2^14302321 is an apocalyptic number.

14302321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14302321 is a deficient number, since it is larger than the sum of its proper divisors (2438389).

14302321 is a wasteful number, since it uses less digits than its factorization.

14302321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 14302321 is about 3781.8409538213. The cubic root of 14302321 is about 242.7367355506.

Adding to 14302321 its reverse (12320341), we get a palindrome (26622662).

The spelling of 14302321 in words is "fourteen million, three hundred two thousand, three hundred twenty-one".