14211728 has 20 divisors (see below), whose sum is σ = 29155500. Its totient is φ = 6687744.

The previous prime is 14211721. The next prime is 14211739. The reversal of 14211728 is 82711241.

It can be written as a sum of positive squares in 2 ways, for example, as 4276624 + 9935104 = 2068^2 + 3152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14211697 and 14211706.

It is not an unprimeable number, because it can be changed into a prime (14211721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25853 + ... + 26396.

It is an arithmetic number, because the mean of its divisors is an integer number (1457775).

Almost surely, 2^14211728 is an apocalyptic number.

It is an amenable number.

14211728 is an abundant number, since it is smaller than the sum of its proper divisors (14943772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14211728 is a wasteful number, since it uses less digits than its factorization.

14211728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52274 (or 52268 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 14211728 is about 3769.8445591297. The cubic root of 14211728 is about 242.2231395876.

Adding to 14211728 its reverse (82711241), we get a palindrome (96922969).

The spelling of 14211728 in words is "fourteen million, two hundred eleven thousand, seven hundred twenty-eight".