14441921 has 4 divisors (see below), whose sum is σ = 15552852. Its totient is φ = 13330992.

The previous prime is 14441909. The next prime is 14441927. The reversal of 14441921 is 12914441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12914441 = 17 ⋅759673.

It can be written as a sum of positive squares in 2 ways, for example, as 9985600 + 4456321 = 3160^2 + 2111^2 .

It is a cyclic number.

It is not a de Polignac number, because 14441921 - 2¹⁸ = 14179777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14441927) 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 3 ways as a sum of consecutive naturals, for example, 555446 + ... + 555471.

It is an arithmetic number, because the mean of its divisors is an integer number (3888213).

Almost surely, 2^14441921 is an apocalyptic number.

It is an amenable number.

14441921 is a deficient number, since it is larger than the sum of its proper divisors (1110931).

14441921 is a wasteful number, since it uses less digits than its factorization.

14441921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110930.

The product of its digits is 1152, while the sum is 26.

The square root of 14441921 is about 3800.2527547520. The cubic root of 14441921 is about 243.5239362730.

The spelling of 14441921 in words is "fourteen million, four hundred forty-one thousand, nine hundred twenty-one".