6509712 has 40 divisors (see below), whose sum is σ = 18347040. Its totient is φ = 1972480.

The previous prime is 6509707. The next prime is 6509719. The reversal of 6509712 is 2179056.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6509712.

It is not an unprimeable number, because it can be changed into a prime (6509719) 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, 5637 + ... + 6692.

It is an arithmetic number, because the mean of its divisors is an integer number (458676).

Almost surely, 2^6509712 is an apocalyptic number.

It is an amenable number.

6509712 is an abundant number, since it is smaller than the sum of its proper divisors (11837328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6509712 is a wasteful number, since it uses less digits than its factorization.

6509712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12351 (or 12345 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 6509712 is about 2551.4137257607. The cubic root of 6509712 is about 186.7184606842.

The spelling of 6509712 in words is "six million, five hundred nine thousand, seven hundred twelve".