8312947 has 2 divisors, whose sum is σ = 8312948. Its totient is φ = 8312946.

The previous prime is 8312921. The next prime is 8312951. The reversal of 8312947 is 7492138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8312947 - 2¹¹ = 8310899 is a prime.

It is not a weakly prime, because it can be changed into another prime (8312957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4156473 + 4156474.

It is an arithmetic number, because the mean of its divisors is an integer number (4156474).

Almost surely, 2^8312947 is an apocalyptic number.

8312947 is a deficient number, since it is larger than the sum of its proper divisors (1).

8312947 is an equidigital number, since it uses as much as digits as its factorization.

8312947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 8312947 is about 2883.2181672569. The cubic root of 8312947 is about 202.5746064577.

The spelling of 8312947 in words is "eight million, three hundred twelve thousand, nine hundred forty-seven".