14424321 has 16 divisors (see below), whose sum is σ = 19849536. Its totient is φ = 9312576.

The previous prime is 14424317. The next prime is 14424329. The reversal of 14424321 is 12342441.

It is not a de Polignac number, because 14424321 - 2² = 14424317 is a prime.

It is a super-3 number, since 3×14424321³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (14424329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12651 + ... + 13743.

It is an arithmetic number, because the mean of its divisors is an integer number (1240596).

Almost surely, 2^14424321 is an apocalyptic number.

It is an amenable number.

14424321 is a deficient number, since it is larger than the sum of its proper divisors (5425215).

14424321 is a wasteful number, since it uses less digits than its factorization.

14424321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232.

The product of its digits is 768, while the sum is 21.

The square root of 14424321 is about 3797.9364133698. The cubic root of 14424321 is about 243.4249705942.

Adding to 14424321 its reverse (12342441), we get a palindrome (26766762).

The spelling of 14424321 in words is "fourteen million, four hundred twenty-four thousand, three hundred twenty-one".