11322643 has 4 divisors (see below), whose sum is σ = 11342520. Its totient is φ = 11302768.

The previous prime is 11322617. The next prime is 11322667. The reversal of 11322643 is 34622311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11322643 - 2¹⁷ = 11191571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11322343) 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 3 ways as a sum of consecutive naturals, for example, 9058 + ... + 10231.

It is an arithmetic number, because the mean of its divisors is an integer number (2835630).

Almost surely, 2^11322643 is an apocalyptic number.

11322643 is a deficient number, since it is larger than the sum of its proper divisors (19877).

11322643 is an equidigital number, since it uses as much as digits as its factorization.

11322643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19876.

The product of its digits is 864, while the sum is 22.

The square root of 11322643 is about 3364.9135204341. The cubic root of 11322643 is about 224.5514884309.

Adding to 11322643 its reverse (34622311), we get a palindrome (45944954).

The spelling of 11322643 in words is "eleven million, three hundred twenty-two thousand, six hundred forty-three".