6861612 has 12 divisors (see below), whose sum is σ = 16010456. Its totient is φ = 2287200.

The previous prime is 6861601. The next prime is 6861623. The reversal of 6861612 is 2161686.

It is an interprime number because it is at equal distance from previous prime (6861601) and next prime (6861623).

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

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 6861612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285889 + ... + 285912.

Almost surely, 2^6861612 is an apocalyptic number.

It is an amenable number.

6861612 is an abundant number, since it is smaller than the sum of its proper divisors (9148844).

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

6861612 is a wasteful number, since it uses less digits than its factorization.

6861612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571808 (or 571806 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 6861612 is about 2619.4678848957. The cubic root of 6861612 is about 190.0241151293.

The spelling of 6861612 in words is "six million, eight hundred sixty-one thousand, six hundred twelve".