11320789 has 8 divisors (see below), whose sum is σ = 12095840. Its totient is φ = 10563696.

The previous prime is 11320753. The next prime is 11320811. The reversal of 11320789 is 98702311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11320789 - 2⁹ = 11320277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11320789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3174 + ... + 5719.

It is an arithmetic number, because the mean of its divisors is an integer number (1511980).

Almost surely, 2^11320789 is an apocalyptic number.

11320789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11320789 is a deficient number, since it is larger than the sum of its proper divisors (775051).

11320789 is an equidigital number, since it uses as much as digits as its factorization.

11320789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8979.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 11320789 is about 3364.6380191634. The cubic root of 11320789 is about 224.5392315405.

It can be divided in two parts, 113 and 20789, that added together give a palindrome (20902).

The spelling of 11320789 in words is "eleven million, three hundred twenty thousand, seven hundred eighty-nine".