6812047 has 4 divisors (see below), whose sum is σ = 7431336. Its totient is φ = 6192760.

The previous prime is 6812021. The next prime is 6812077. The reversal of 6812047 is 7402186.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6812047 - 2⁷ = 6811919 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6812077) 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, 309628 + ... + 309649.

It is an arithmetic number, because the mean of its divisors is an integer number (1857834).

Almost surely, 2^6812047 is an apocalyptic number.

6812047 is a deficient number, since it is larger than the sum of its proper divisors (619289).

6812047 is a wasteful number, since it uses less digits than its factorization.

6812047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619288.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 6812047 is about 2609.9898467235. The cubic root of 6812047 is about 189.5654612411.

The spelling of 6812047 in words is "six million, eight hundred twelve thousand, forty-seven".