14424021 has 32 divisors (see below), whose sum is σ = 23244800. Its totient is φ = 8806320.

The previous prime is 14424001. The next prime is 14424073. The reversal of 14424021 is 12042441.

It is not a de Polignac number, because 14424021 - 2⁹ = 14423509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14423985 and 14424003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14424001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15450 + ... + 16356.

It is an arithmetic number, because the mean of its divisors is an integer number (726400).

Almost surely, 2^14424021 is an apocalyptic number.

It is an amenable number.

14424021 is a deficient number, since it is larger than the sum of its proper divisors (8820779).

14424021 is a wasteful number, since it uses less digits than its factorization.

14424021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 14424021 is about 3797.8969180324. The cubic root of 14424021 is about 243.4232829816.

Adding to 14424021 its reverse (12042441), we get a palindrome (26466462).

The spelling of 14424021 in words is "fourteen million, four hundred twenty-four thousand, twenty-one".