6861012 has 12 divisors (see below), whose sum is σ = 16009056. Its totient is φ = 2287000.

The previous prime is 6861011. The next prime is 6861017. The reversal of 6861012 is 2101686.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6861011) 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, 285864 + ... + 285887.

It is an arithmetic number, because the mean of its divisors is an integer number (1334088).

Almost surely, 2^6861012 is an apocalyptic number.

It is an amenable number.

6861012 is an abundant number, since it is smaller than the sum of its proper divisors (9148044).

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

6861012 is a wasteful number, since it uses less digits than its factorization.

6861012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571758 (or 571756 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 6861012 is about 2619.3533553150. The cubic root of 6861012 is about 190.0185762078.

Adding to 6861012 its reverse (2101686), we get a palindrome (8962698).

The spelling of 6861012 in words is "six million, eight hundred sixty-one thousand, twelve".