6812189 has 8 divisors (see below), whose sum is σ = 7381440. Its totient is φ = 6261696.

The previous prime is 6812177. The next prime is 6812207. The reversal of 6812189 is 9812186.

6812189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6812189 - 2¹² = 6808093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6814189) 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, 3929 + ... + 5390.

It is an arithmetic number, because the mean of its divisors is an integer number (922680).

Almost surely, 2^6812189 is an apocalyptic number.

It is an amenable number.

6812189 is a deficient number, since it is larger than the sum of its proper divisors (569251).

6812189 is a wasteful number, since it uses less digits than its factorization.

6812189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9379.

The product of its digits is 6912, while the sum is 35.

The square root of 6812189 is about 2610.0170497527. The cubic root of 6812189 is about 189.5667784227.

The spelling of 6812189 in words is "six million, eight hundred twelve thousand, one hundred eighty-nine".