14436021 has 8 divisors (see below), whose sum is σ = 19535584. Its totient is φ = 9480240.

The previous prime is 14436013. The next prime is 14436047. The reversal of 14436021 is 12063441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14436021 - 2³ = 14436013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14436001) 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 7 ways as a sum of consecutive naturals, for example, 35710 + ... + 36111.

It is an arithmetic number, because the mean of its divisors is an integer number (2441948).

Almost surely, 2^14436021 is an apocalyptic number.

It is an amenable number.

14436021 is a deficient number, since it is larger than the sum of its proper divisors (5099563).

14436021 is an equidigital number, since it uses as much as digits as its factorization.

14436021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71891.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 14436021 is about 3799.4764112967. The cubic root of 14436021 is about 243.4907692419.

Adding to 14436021 its reverse (12063441), we get a palindrome (26499462).

The spelling of 14436021 in words is "fourteen million, four hundred thirty-six thousand, twenty-one".