13201111 has 16 divisors (see below), whose sum is σ = 16570368. Its totient is φ = 10216800.

The previous prime is 13201093. The next prime is 13201117. The reversal of 13201111 is 11110231.

13201111 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 13201111 - 2⁷ = 13200983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12826 + ... + 13816.

It is an arithmetic number, because the mean of its divisors is an integer number (1035648).

Almost surely, 2^13201111 is an apocalyptic number.

13201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13201111 is a deficient number, since it is larger than the sum of its proper divisors (3369257).

13201111 is a wasteful number, since it uses less digits than its factorization.

13201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 13201111 is about 3633.3333180428. Note that the first 4 decimals coincide. The cubic root of 13201111 is about 236.3397803653.

Adding to 13201111 its reverse (11110231), we get a palindrome (24311342).

The spelling of 13201111 in words is "thirteen million, two hundred one thousand, one hundred eleven".