11170813 has 2 divisors, whose sum is σ = 11170814. Its totient is φ = 11170812.

The previous prime is 11170799. The next prime is 11170867. The reversal of 11170813 is 31807111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11168964 + 1849 = 3342^2 + 43^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11170813 is a prime.

It is a super-4 number, since 4×11170813⁴ (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11170213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5585406 + 5585407.

It is an arithmetic number, because the mean of its divisors is an integer number (5585407).

Almost surely, 2^11170813 is an apocalyptic number.

It is an amenable number.

11170813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11170813 is an equidigital number, since it uses as much as digits as its factorization.

11170813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 22.

The square root of 11170813 is about 3342.2766193121. The cubic root of 11170813 is about 223.5432671182.

Adding to 11170813 its reverse (31807111), we get a palindrome (42977924).

The spelling of 11170813 in words is "eleven million, one hundred seventy thousand, eight hundred thirteen".