11326681 has 2 divisors, whose sum is σ = 11326682. Its totient is φ = 11326680.

The previous prime is 11326669. The next prime is 11326697. The reversal of 11326681 is 18662311.

11326681 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., 10621081 + 705600 = 3259^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 11326681 - 2¹¹ = 11324633 is a prime.

It is a super-2 number, since 2×11326681² = 256587404951522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11326481) 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, 5663340 + 5663341.

It is an arithmetic number, because the mean of its divisors is an integer number (5663341).

Almost surely, 2^11326681 is an apocalyptic number.

It is an amenable number.

11326681 is a deficient number, since it is larger than the sum of its proper divisors (1).

11326681 is an equidigital number, since it uses as much as digits as its factorization.

11326681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 11326681 is about 3365.5134823679. The cubic root of 11326681 is about 224.5781792292.

Adding to 11326681 its reverse (18662311), we get a palindrome (29988992).

The spelling of 11326681 in words is "eleven million, three hundred twenty-six thousand, six hundred eighty-one".