14306213 has 4 divisors (see below), whose sum is σ = 14337708. Its totient is φ = 14274720.

The previous prime is 14306203. The next prime is 14306263. The reversal of 14306213 is 31260341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31260341 = 7 ⋅4465763.

It can be written as a sum of positive squares in 2 ways, for example, as 7086244 + 7219969 = 2662^2 + 2687^2 .

It is a cyclic number.

It is not a de Polignac number, because 14306213 - 2⁸ = 14305957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14306203) 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 3 ways as a sum of consecutive naturals, for example, 15056 + ... + 15977.

It is an arithmetic number, because the mean of its divisors is an integer number (3584427).

Almost surely, 2^14306213 is an apocalyptic number.

It is an amenable number.

14306213 is a deficient number, since it is larger than the sum of its proper divisors (31495).

14306213 is an equidigital number, since it uses as much as digits as its factorization.

14306213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31494.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 14306213 is about 3782.3554830291. The cubic root of 14306213 is about 242.7587516904.

Adding to 14306213 its reverse (31260341), we get a palindrome (45566554).

The spelling of 14306213 in words is "fourteen million, three hundred six thousand, two hundred thirteen".