14142728 has 32 divisors (see below), whose sum is σ = 27390360. Its totient is φ = 6842880.

The previous prime is 14142721. The next prime is 14142761. The reversal of 14142728 is 82724141.

14142728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9972964 + 4169764 = 3158^2 + 2042^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14142728.

It is not an unprimeable number, because it can be changed into a prime (14142721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35426 + ... + 35822.

Almost surely, 2^14142728 is an apocalyptic number.

It is an amenable number.

14142728 is a deficient number, since it is larger than the sum of its proper divisors (13247632).

14142728 is a wasteful number, since it uses less digits than its factorization.

14142728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 533 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 14142728 is about 3760.6818530687. The cubic root of 14142728 is about 241.8304939623.

Adding to 14142728 its reverse (82724141), we get a palindrome (96866869).

The spelling of 14142728 in words is "fourteen million, one hundred forty-two thousand, seven hundred twenty-eight".