13811382 has 24 divisors (see below), whose sum is σ = 32227104. Its totient is φ = 4249584.

The previous prime is 13811359. The next prime is 13811387. The reversal of 13811382 is 28311831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13811387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29278 + ... + 29745.

It is an arithmetic number, because the mean of its divisors is an integer number (1342796).

Almost surely, 2^13811382 is an apocalyptic number.

13811382 is an abundant number, since it is smaller than the sum of its proper divisors (18415722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13811382 is a wasteful number, since it uses less digits than its factorization.

13811382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59044 (or 59041 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 13811382 is about 3716.3667741492. The cubic root of 13811382 is about 239.9269569386.

The spelling of 13811382 in words is "thirteen million, eight hundred eleven thousand, three hundred eighty-two".