6856712 has 16 divisors (see below), whose sum is σ = 13612860. Its totient is φ = 3226624.

The previous prime is 6856697. The next prime is 6856723. The reversal of 6856712 is 2176586.

It can be written as a sum of positive squares in 2 ways, for example, as 6832996 + 23716 = 2614^2 + 154^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25073 + ... + 25344.

Almost surely, 2^6856712 is an apocalyptic number.

It is an amenable number.

6856712 is a deficient number, since it is larger than the sum of its proper divisors (6756148).

6856712 is a wasteful number, since it uses less digits than its factorization.

6856712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50440 (or 50436 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 6856712 is about 2618.5324133950. The cubic root of 6856712 is about 189.9788711500.

The spelling of 6856712 in words is "six million, eight hundred fifty-six thousand, seven hundred twelve".