13111288 has 16 divisors (see below), whose sum is σ = 25652880. Its totient is φ = 6270528.

The previous prime is 13111271. The next prime is 13111289. The reversal of 13111288 is 88211131.

13111288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35445 + ... + 35812.

It is an arithmetic number, because the mean of its divisors is an integer number (1603305).

Almost surely, 2^13111288 is an apocalyptic number.

It is an amenable number.

13111288 is a deficient number, since it is larger than the sum of its proper divisors (12541592).

13111288 is a wasteful number, since it uses less digits than its factorization.

13111288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71286 (or 71282 counting only the distinct ones).

The product of its digits is 384, while the sum is 25.

The square root of 13111288 is about 3620.9512562309. The cubic root of 13111288 is about 235.8025256059.

The spelling of 13111288 in words is "thirteen million, one hundred eleven thousand, two hundred eighty-eight".