8212873 has 2 divisors, whose sum is σ = 8212874. Its totient is φ = 8212872.

The previous prime is 8212849. The next prime is 8212877. The reversal of 8212873 is 3782128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4782969 + 3429904 = 2187^2 + 1852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8212873 is a prime.

It is not a weakly prime, because it can be changed into another prime (8212877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4106436 + 4106437.

It is an arithmetic number, because the mean of its divisors is an integer number (4106437).

Almost surely, 2^8212873 is an apocalyptic number.

It is an amenable number.

8212873 is a deficient number, since it is larger than the sum of its proper divisors (1).

8212873 is an equidigital number, since it uses as much as digits as its factorization.

8212873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 31.

The square root of 8212873 is about 2865.8110544835. The cubic root of 8212873 is about 201.7584358726.

The spelling of 8212873 in words is "eight million, two hundred twelve thousand, eight hundred seventy-three".