13111132 has 12 divisors (see below), whose sum is σ = 23735880. Its totient is φ = 6329456.

The previous prime is 13111129. The next prime is 13111139. The reversal of 13111132 is 23111131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56398 + ... + 56629.

It is an arithmetic number, because the mean of its divisors is an integer number (1977990).

Almost surely, 2^13111132 is an apocalyptic number.

It is an amenable number.

13111132 is a deficient number, since it is larger than the sum of its proper divisors (10624748).

13111132 is a wasteful number, since it uses less digits than its factorization.

13111132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113060 (or 113058 counting only the distinct ones).

The product of its digits is 18, while the sum is 13.

The square root of 13111132 is about 3620.9297148661. The cubic root of 13111132 is about 235.8015903980.

Adding to 13111132 its reverse (23111131), we get a palindrome (36222263).

Subtracting 13111132 from its reverse (23111131), we obtain a palindrome (9999999).

The spelling of 13111132 in words is "thirteen million, one hundred eleven thousand, one hundred thirty-two".