14212321 has 16 divisors (see below), whose sum is σ = 15396480. Its totient is φ = 13087360.

The previous prime is 14212313. The next prime is 14212351. The reversal of 14212321 is 12321241.

It is a cyclic number.

It is not a de Polignac number, because 14212321 - 2³ = 14212313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14212295 and 14212304.

It is not an unprimeable number, because it can be changed into a prime (14212351) 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 15 ways as a sum of consecutive naturals, for example, 108426 + ... + 108556.

It is an arithmetic number, because the mean of its divisors is an integer number (962280).

Almost surely, 2^14212321 is an apocalyptic number.

It is an amenable number.

14212321 is a deficient number, since it is larger than the sum of its proper divisors (1184159).

14212321 is a wasteful number, since it uses less digits than its factorization.

14212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296.

The product of its digits is 96, while the sum is 16.

The square root of 14212321 is about 3769.9232087670. The cubic root of 14212321 is about 242.2265085498.

Adding to 14212321 its reverse (12321241), we get a palindrome (26533562).

The spelling of 14212321 in words is "fourteen million, two hundred twelve thousand, three hundred twenty-one".