11632321 has 4 divisors (see below), whose sum is σ = 11639232. Its totient is φ = 11625412.

The previous prime is 11632307. The next prime is 11632363. The reversal of 11632321 is 12323611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11632321 - 2⁵ = 11632289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11632121) 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 in 3 ways as a sum of consecutive naturals, for example, 900 + ... + 4906.

It is an arithmetic number, because the mean of its divisors is an integer number (2909808).

Almost surely, 2^11632321 is an apocalyptic number.

It is an amenable number.

11632321 is a deficient number, since it is larger than the sum of its proper divisors (6911).

11632321 is an equidigital number, since it uses as much as digits as its factorization.

11632321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910.

The product of its digits is 216, while the sum is 19.

The square root of 11632321 is about 3410.6188587997. The cubic root of 11632321 is about 226.5802888387.

Adding to 11632321 its reverse (12323611), we get a palindrome (23955932).

The spelling of 11632321 in words is "eleven million, six hundred thirty-two thousand, three hundred twenty-one".