11333813 has 2 divisors, whose sum is σ = 11333814. Its totient is φ = 11333812.

The previous prime is 11333767. The next prime is 11333821. The reversal of 11333813 is 31833311.

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., 11242609 + 91204 = 3353^2 + 302^2 .

It is a cyclic number.

It is not a de Polignac number, because 11333813 - 2¹⁴ = 11317429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11333843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666906 + 5666907.

It is an arithmetic number, because the mean of its divisors is an integer number (5666907).

Almost surely, 2^11333813 is an apocalyptic number.

It is an amenable number.

11333813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11333813 is an equidigital number, since it uses as much as digits as its factorization.

11333813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 11333813 is about 3366.5728864826. The cubic root of 11333813 is about 224.6253055827.

The spelling of 11333813 in words is "eleven million, three hundred thirty-three thousand, eight hundred thirteen".