11321329 has 2 divisors, whose sum is σ = 11321330. Its totient is φ = 11321328.

The previous prime is 11321327. The next prime is 11321347. The reversal of 11321329 is 92312311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11209104 + 112225 = 3348^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321329 - 2¹ = 11321327 is a prime.

Together with 11321327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11321327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660664 + 5660665.

It is an arithmetic number, because the mean of its divisors is an integer number (5660665).

Almost surely, 2^11321329 is an apocalyptic number.

It is an amenable number.

11321329 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321329 is an equidigital number, since it uses as much as digits as its factorization.

11321329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 22.

The square root of 11321329 is about 3364.7182645803. The cubic root of 11321329 is about 224.5428016467.

The spelling of 11321329 in words is "eleven million, three hundred twenty-one thousand, three hundred twenty-nine".