6946813 has 2 divisors, whose sum is σ = 6946814. Its totient is φ = 6946812.

The previous prime is 6946789. The next prime is 6946817. The reversal of 6946813 is 3186496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6335289 + 611524 = 2517^2 + 782^2 .

It is a cyclic number.

It is not a de Polignac number, because 6946813 - 2⁵ = 6946781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6946817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473406 + 3473407.

It is an arithmetic number, because the mean of its divisors is an integer number (3473407).

Almost surely, 2^6946813 is an apocalyptic number.

It is an amenable number.

6946813 is a deficient number, since it is larger than the sum of its proper divisors (1).

6946813 is an equidigital number, since it uses as much as digits as its factorization.

6946813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 6946813 is about 2635.6807469798. The cubic root of 6946813 is about 190.8073951809.

The spelling of 6946813 in words is "six million, nine hundred forty-six thousand, eight hundred thirteen".