13320111 has 48 divisors (see below), whose sum is σ = 22179840. Its totient is φ = 7076160.

The previous prime is 13320103. The next prime is 13320113. The reversal of 13320111 is 11102331.

13320111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13320111 - 2³ = 13320103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168570 + ... + 168648.

It is an arithmetic number, because the mean of its divisors is an integer number (462080).

Almost surely, 2^13320111 is an apocalyptic number.

13320111 is a deficient number, since it is larger than the sum of its proper divisors (8859729).

13320111 is a wasteful number, since it uses less digits than its factorization.

13320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 13320111 is about 3649.6727250536. The cubic root of 13320111 is about 237.0478103264.

Adding to 13320111 its reverse (11102331), we get a palindrome (24422442).

It can be divided in two parts, 13320 and 111, that added together give a palindrome (13431).

The spelling of 13320111 in words is "thirteen million, three hundred twenty thousand, one hundred eleven".