6480013 has 4 divisors (see below), whose sum is σ = 6508540. Its totient is φ = 6451488.

The previous prime is 6480011. The next prime is 6480017. The reversal of 6480013 is 3100846.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3392964 + 3087049 = 1842^2 + 1757^2 .

It is a cyclic number.

It is not a de Polignac number, because 6480013 - 2¹ = 6480011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6480011) 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, 13920 + ... + 14377.

It is an arithmetic number, because the mean of its divisors is an integer number (1627135).

Almost surely, 2^6480013 is an apocalyptic number.

It is an amenable number.

6480013 is a deficient number, since it is larger than the sum of its proper divisors (28527).

6480013 is a wasteful number, since it uses less digits than its factorization.

6480013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28526.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 6480013 is about 2545.5869657114. The cubic root of 6480013 is about 186.4340750301.

Adding to 6480013 its reverse (3100846), we get a palindrome (9580859).

The spelling of 6480013 in words is "six million, four hundred eighty thousand, thirteen".