14506021 has 4 divisors (see below), whose sum is σ = 14669100. Its totient is φ = 14342944.

The previous prime is 14506013. The next prime is 14506027. The reversal of 14506021 is 12060541.

14506021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12060541 = 2161 ⋅5581.

It can be written as a sum of positive squares in 2 ways, for example, as 1653796 + 12852225 = 1286^2 + 3585^2 .

It is a cyclic number.

It is not a de Polignac number, because 14506021 - 2³ = 14506013 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 14506021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14506027) 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, 81406 + ... + 81583.

It is an arithmetic number, because the mean of its divisors is an integer number (3667275).

Almost surely, 2^14506021 is an apocalyptic number.

It is an amenable number.

14506021 is a deficient number, since it is larger than the sum of its proper divisors (163079).

14506021 is an equidigital number, since it uses as much as digits as its factorization.

14506021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163078.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 14506021 is about 3808.6770669092. The cubic root of 14506021 is about 243.8836955792.

Adding to 14506021 its reverse (12060541), we get a palindrome (26566562).

The spelling of 14506021 in words is "fourteen million, five hundred six thousand, twenty-one".