10728517 has 2 divisors, whose sum is σ = 10728518. Its totient is φ = 10728516.

The previous prime is 10728503. The next prime is 10728539. The reversal of 10728517 is 71582701.

It is a happy number.

10728517 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9054081 + 1674436 = 3009^2 + 1294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10728517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10728577) 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 as a sum of consecutive naturals, namely, 5364258 + 5364259.

It is an arithmetic number, because the mean of its divisors is an integer number (5364259).

Almost surely, 2^10728517 is an apocalyptic number.

It is an amenable number.

10728517 is a deficient number, since it is larger than the sum of its proper divisors (1).

10728517 is an equidigital number, since it uses as much as digits as its factorization.

10728517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 10728517 is about 3275.4414969588. The cubic root of 10728517 is about 220.5531329187.

The spelling of 10728517 in words is "ten million, seven hundred twenty-eight thousand, five hundred seventeen".