1028287713 has 16 divisors (see below), whose sum is σ = 1420617600. Its totient is φ = 660817920.

The previous prime is 1028287693. The next prime is 1028287717. The reversal of 1028287713 is 3177828201.

It is not a de Polignac number, because 1028287713 - 2¹⁰ = 1028286689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1028287717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46548 + ... + 64986.

It is an arithmetic number, because the mean of its divisors is an integer number (88788600).

Almost surely, 2^1028287713 is an apocalyptic number.

It is an amenable number.

1028287713 is a deficient number, since it is larger than the sum of its proper divisors (392329887).

1028287713 is a wasteful number, since it uses less digits than its factorization.

1028287713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19112.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 1028287713 is about 32066.9255308332. The cubic root of 1028287713 is about 1009.3416985924.

The spelling of 1028287713 in words is "one billion, twenty-eight million, two hundred eighty-seven thousand, seven hundred thirteen".