2812867 has 2 divisors, whose sum is σ = 2812868. Its totient is φ = 2812866.

The previous prime is 2812853. The next prime is 2812883. The reversal of 2812867 is 7682182.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2812867 is a prime.

2812867 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2812897) by changing a digit.

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 as a sum of consecutive naturals, namely, 1406433 + 1406434.

It is an arithmetic number, because the mean of its divisors is an integer number (1406434).

2^2812867 is an apocalyptic number.

2812867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2812867 is an equidigital number, since it uses as much as digits as its factorization.

2812867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 2812867 is about 1677.1603978153. The cubic root of 2812867 is about 141.1615438024.

The spelling of 2812867 in words is "two million, eight hundred twelve thousand, eight hundred sixty-seven".