13072111 has 16 divisors (see below), whose sum is σ = 14694400. Its totient is φ = 11547360.

The previous prime is 13072109. The next prime is 13072159. The reversal of 13072111 is 11127031.

13072111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13072111 - 2¹ = 13072109 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 (13072181) 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 15 ways as a sum of consecutive naturals, for example, 65590 + ... + 65788.

It is an arithmetic number, because the mean of its divisors is an integer number (918400).

Almost surely, 2^13072111 is an apocalyptic number.

13072111 is a deficient number, since it is larger than the sum of its proper divisors (1622289).

13072111 is a wasteful number, since it uses less digits than its factorization.

13072111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 13072111 is about 3615.5374427601. The cubic root of 13072111 is about 235.5674291494.

Adding to 13072111 its reverse (11127031), we get a palindrome (24199142).

The spelling of 13072111 in words is "thirteen million, seventy-two thousand, one hundred eleven".