14420321 has 4 divisors (see below), whose sum is σ = 14436144. Its totient is φ = 14404500.

The previous prime is 14420317. The next prime is 14420323. The reversal of 14420321 is 12302441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14420321 - 2² = 14420317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14420321.

It is not an unprimeable number, because it can be changed into a prime (14420323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6455 + ... + 8396.

It is an arithmetic number, because the mean of its divisors is an integer number (3609036).

Almost surely, 2^14420321 is an apocalyptic number.

It is an amenable number.

14420321 is a deficient number, since it is larger than the sum of its proper divisors (15823).

14420321 is an equidigital number, since it uses as much as digits as its factorization.

14420321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15822.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 14420321 is about 3797.4097750967. The cubic root of 14420321 is about 243.4024671686.

Adding to 14420321 its reverse (12302441), we get a palindrome (26722762).

It can be divided in two parts, 14420 and 321, that added together give a palindrome (14741).

The spelling of 14420321 in words is "fourteen million, four hundred twenty thousand, three hundred twenty-one".