11684321 has 8 divisors (see below), whose sum is σ = 13496544. Its totient is φ = 9997120.

The previous prime is 11684317. The next prime is 11684333. The reversal of 11684321 is 12348611.

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 11684321 - 2² = 11684317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11684311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31055 + ... + 31428.

It is an arithmetic number, because the mean of its divisors is an integer number (1687068).

Almost surely, 2^11684321 is an apocalyptic number.

11684321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11684321 is a deficient number, since it is larger than the sum of its proper divisors (1812223).

11684321 is a wasteful number, since it uses less digits than its factorization.

11684321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62511.

The product of its digits is 1152, while the sum is 26.

The square root of 11684321 is about 3418.2336081667. The cubic root of 11684321 is about 226.9174145038.

The spelling of 11684321 in words is "eleven million, six hundred eighty-four thousand, three hundred twenty-one".