10813813 has 2 divisors, whose sum is σ = 10813814. Its totient is φ = 10813812.

The previous prime is 10813801. The next prime is 10813861. The reversal of 10813813 is 31831801.

10813813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8803089 + 2010724 = 2967^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 10813813 - 2²¹ = 8716661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10813613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5406906 + 5406907.

It is an arithmetic number, because the mean of its divisors is an integer number (5406907).

Almost surely, 2^10813813 is an apocalyptic number.

It is an amenable number.

10813813 is a deficient number, since it is larger than the sum of its proper divisors (1).

10813813 is an equidigital number, since it uses as much as digits as its factorization.

10813813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 10813813 is about 3288.4362545137. The cubic root of 10813813 is about 221.1360859328.

The spelling of 10813813 in words is "ten million, eight hundred thirteen thousand, eight hundred thirteen".