11608321 has 2 divisors, whose sum is σ = 11608322. Its totient is φ = 11608320.

The previous prime is 11608319. The next prime is 11608327. The reversal of 11608321 is 12380611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10080625 + 1527696 = 3175^2 + 1236^2 .

It is an emirp because it is prime and its reverse (12380611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11608321 - 2¹ = 11608319 is a prime.

Together with 11608319, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11608292 and 11608301.

It is not a weakly prime, because it can be changed into another prime (11608327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5804160 + 5804161.

It is an arithmetic number, because the mean of its divisors is an integer number (5804161).

Almost surely, 2^11608321 is an apocalyptic number.

It is an amenable number.

11608321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11608321 is an equidigital number, since it uses as much as digits as its factorization.

11608321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 11608321 is about 3407.0986190599. The cubic root of 11608321 is about 226.4243534612.

Adding to 11608321 its reverse (12380611), we get a palindrome (23988932).

The spelling of 11608321 in words is "eleven million, six hundred eight thousand, three hundred twenty-one".