11146813 has 2 divisors, whose sum is σ = 11146814. Its totient is φ = 11146812.

The previous prime is 11146799. The next prime is 11146819. The reversal of 11146813 is 31864111.

It is a happy number.

11146813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8450649 + 2696164 = 2907^2 + 1642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11146813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11146819) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573406 + 5573407.

It is an arithmetic number, because the mean of its divisors is an integer number (5573407).

Almost surely, 2^11146813 is an apocalyptic number.

It is an amenable number.

11146813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11146813 is an equidigital number, since it uses as much as digits as its factorization.

11146813 is an evil number, because the sum of its binary digits is even.

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

The square root of 11146813 is about 3338.6843217052. The cubic root of 11146813 is about 223.3830613753.

The spelling of 11146813 in words is "eleven million, one hundred forty-six thousand, eight hundred thirteen".