1028713 has 8 divisors (see below), whose sum is σ = 1183680. Its totient is φ = 875760.

The previous prime is 1028683. The next prime is 1028737. The reversal of 1028713 is 3178201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1028713 - 2⁵ = 1028681 is a prime.

It is an Ulam number.

It is a Duffinian number.

1028713 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028773) 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, 843 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (147960).

2^1028713 is an apocalyptic number.

It is an amenable number.

1028713 is a deficient number, since it is larger than the sum of its proper divisors (154967).

1028713 is an equidigital number, since it uses as much as digits as its factorization.

1028713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1028713 is about 1014.2548989283. The cubic root of 1028713 is about 100.9480829801.

The spelling of 1028713 in words is "one million, twenty-eight thousand, seven hundred thirteen".