9106813 has 2 divisors, whose sum is σ = 9106814. Its totient is φ = 9106812.

The previous prime is 9106807. The next prime is 9106817. The reversal of 9106813 is 3186019.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9018009 + 88804 = 3003^2 + 298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9106813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9106817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4553406 + 4553407.

It is an arithmetic number, because the mean of its divisors is an integer number (4553407).

Almost surely, 2^9106813 is an apocalyptic number.

It is an amenable number.

9106813 is a deficient number, since it is larger than the sum of its proper divisors (1).

9106813 is an equidigital number, since it uses as much as digits as its factorization.

9106813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 9106813 is about 3017.7496582719. The cubic root of 9106813 is about 208.8280370864.

The spelling of 9106813 in words is "nine million, one hundred six thousand, eight hundred thirteen".