14205728 has 24 divisors (see below), whose sum is σ = 28052892. Its totient is φ = 7081216.

The previous prime is 14205707. The next prime is 14205733. The reversal of 14205728 is 82750241.

It can be written as a sum of positive squares in 2 ways, for example, as 13337104 + 868624 = 3652^2 + 932^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14205728.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17426 + ... + 18222.

Almost surely, 2^14205728 is an apocalyptic number.

It is an amenable number.

14205728 is a deficient number, since it is larger than the sum of its proper divisors (13847164).

14205728 is an equidigital number, since it uses as much as digits as its factorization.

14205728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 14205728 is about 3769.0486863398. The cubic root of 14205728 is about 242.1890470078.

Adding to 14205728 its reverse (82750241), we get a palindrome (96955969).

The spelling of 14205728 in words is "fourteen million, two hundred five thousand, seven hundred twenty-eight".