11442321 has 24 divisors (see below), whose sum is σ = 18476640. Its totient is φ = 6763200.

The previous prime is 11442311. The next prime is 11442323. The reversal of 11442321 is 12324411.

It is not a de Polignac number, because 11442321 - 2⁹ = 11441809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11442294 and 11442303.

It is not an unprimeable number, because it can be changed into a prime (11442323) 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 23 ways as a sum of consecutive naturals, for example, 2650 + ... + 5468.

It is an arithmetic number, because the mean of its divisors is an integer number (769860).

Almost surely, 2^11442321 is an apocalyptic number.

11442321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11442321 is a deficient number, since it is larger than the sum of its proper divisors (7034319).

11442321 is a wasteful number, since it uses less digits than its factorization.

11442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 2874 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 11442321 is about 3382.6499966742. The cubic root of 11442321 is about 225.3398715371.

Adding to 11442321 its reverse (12324411), we get a palindrome (23766732).

The spelling of 11442321 in words is "eleven million, four hundred forty-two thousand, three hundred twenty-one".