6500013 has 8 divisors (see below), whose sum is σ = 9333408. Its totient is φ = 3999984.

The previous prime is 6500003. The next prime is 6500023. The reversal of 6500013 is 3100056.

It is an interprime number because it is at equal distance from previous prime (6500003) and next prime (6500023).

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

It is not a de Polignac number, because 6500013 - 2⁶ = 6499949 is a prime.

It is a Curzon number.

6500013 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6499965 and 6500001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6500003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83295 + ... + 83372.

It is an arithmetic number, because the mean of its divisors is an integer number (1166676).

Almost surely, 2^6500013 is an apocalyptic number.

It is an amenable number.

6500013 is a deficient number, since it is larger than the sum of its proper divisors (2833395).

6500013 is a wasteful number, since it uses less digits than its factorization.

6500013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166683.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 6500013 is about 2549.5123063049. The cubic root of 6500013 is about 186.6256822578.

Adding to 6500013 its reverse (3100056), we get a palindrome (9600069).

The spelling of 6500013 in words is "six million, five hundred thousand, thirteen".