6511712 has 24 divisors (see below), whose sum is σ = 13041000. Its totient is φ = 3199744.

The previous prime is 6511711. The next prime is 6511717. The reversal of 6511712 is 2171156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6511711) 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, 164 + ... + 3612.

It is an arithmetic number, because the mean of its divisors is an integer number (543375).

Almost surely, 2^6511712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6511712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6520500).

6511712 is an abundant number, since it is smaller than the sum of its proper divisors (6529288).

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

6511712 is a wasteful number, since it uses less digits than its factorization.

6511712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518 (or 3510 counting only the distinct ones).

The product of its digits is 420, while the sum is 23.

The square root of 6511712 is about 2551.8056352316. The cubic root of 6511712 is about 186.7375807663.

Adding to 6511712 its reverse (2171156), we get a palindrome (8682868).

The spelling of 6511712 in words is "six million, five hundred eleven thousand, seven hundred twelve".