6812945 has 8 divisors (see below), whose sum is σ = 8531136. Its totient is φ = 5213296.

The previous prime is 6812933. The next prime is 6812957. The reversal of 6812945 is 5492186.

It is an interprime number because it is at equal distance from previous prime (6812933) and next prime (6812957).

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 6812945 - 2¹⁰ = 6811921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29507 + ... + 29736.

It is an arithmetic number, because the mean of its divisors is an integer number (1066392).

Almost surely, 2^6812945 is an apocalyptic number.

It is an amenable number.

6812945 is a deficient number, since it is larger than the sum of its proper divisors (1718191).

6812945 is a wasteful number, since it uses less digits than its factorization.

6812945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59271.

The product of its digits is 17280, while the sum is 35.

The square root of 6812945 is about 2610.1618723750. The cubic root of 6812945 is about 189.5737907151.

The spelling of 6812945 in words is "six million, eight hundred twelve thousand, nine hundred forty-five".