10728205 has 4 divisors (see below), whose sum is σ = 12873852. Its totient is φ = 8582560.

The previous prime is 10728203. The next prime is 10728209. The reversal of 10728205 is 50282701.

10728205 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: 50282701 = 7 ⋅7183243.

It can be written as a sum of positive squares in 2 ways, for example, as 2137444 + 8590761 = 1462^2 + 2931^2 .

It is not a de Polignac number, because 10728205 - 2¹ = 10728203 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 10728205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10728203) 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, 1072816 + ... + 1072825.

It is an arithmetic number, because the mean of its divisors is an integer number (3218463).

Almost surely, 2^10728205 is an apocalyptic number.

It is an amenable number.

10728205 is a deficient number, since it is larger than the sum of its proper divisors (2145647).

10728205 is an equidigital number, since it uses as much as digits as its factorization.

10728205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145646.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 10728205 is about 3275.3938694453. The cubic root of 10728205 is about 220.5509949020.

The spelling of 10728205 in words is "ten million, seven hundred twenty-eight thousand, two hundred five".