11336681 has 8 divisors (see below), whose sum is σ = 11617704. Its totient is φ = 11059200.

The previous prime is 11336657. The next prime is 11336683. The reversal of 11336681 is 18663311.

It can be written as a sum of positive squares in 4 ways, for example, as 5480281 + 5856400 = 2341^2 + 2420^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11336681 - 2¹⁰ = 11335657 is a prime.

It is a super-2 number, since 2×11336681² = 257040672191522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11336683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6281 + ... + 7881.

It is an arithmetic number, because the mean of its divisors is an integer number (1452213).

Almost surely, 2^11336681 is an apocalyptic number.

It is an amenable number.

11336681 is a deficient number, since it is larger than the sum of its proper divisors (281023).

11336681 is an equidigital number, since it uses as much as digits as its factorization.

11336681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its digits is 2592, while the sum is 29.

The square root of 11336681 is about 3366.9988119986. The cubic root of 11336681 is about 224.6442509880.

Adding to 11336681 its reverse (18663311), we get a palindrome (29999992).

The spelling of 11336681 in words is "eleven million, three hundred thirty-six thousand, six hundred eighty-one".