14421321 has 24 divisors (see below), whose sum is σ = 22879584. Its totient is φ = 9046080.

The previous prime is 14421317. The next prime is 14421347. The reversal of 14421321 is 12312441.

It is not a de Polignac number, because 14421321 - 2² = 14421317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14421294 and 14421303.

It is not an unprimeable number, because it can be changed into a prime (14421301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2386 + ... + 5876.

It is an arithmetic number, because the mean of its divisors is an integer number (953316).

Almost surely, 2^14421321 is an apocalyptic number.

It is an amenable number.

14421321 is a deficient number, since it is larger than the sum of its proper divisors (8458263).

14421321 is an equidigital number, since it uses as much as digits as its factorization.

14421321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523 (or 3511 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 14421321 is about 3797.5414415119. The cubic root of 14421321 is about 243.4080934151.

Adding to 14421321 its reverse (12312441), we get a palindrome (26733762).

The spelling of 14421321 in words is "fourteen million, four hundred twenty-one thousand, three hundred twenty-one".