13391112 has 96 divisors (see below), whose sum is σ = 39808800. Its totient is φ = 3741696.

The previous prime is 13391093. The next prime is 13391113. The reversal of 13391112 is 21119331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13391113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69288 + ... + 69480.

It is an arithmetic number, because the mean of its divisors is an integer number (414675).

Almost surely, 2^13391112 is an apocalyptic number.

13391112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13391112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19904400).

13391112 is an abundant number, since it is smaller than the sum of its proper divisors (26417688).

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

13391112 is a wasteful number, since it uses less digits than its factorization.

13391112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 264 counting only the distinct ones).

The product of its digits is 162, while the sum is 21.

The square root of 13391112 is about 3659.3868338835. The cubic root of 13391112 is about 237.4682476480.

The spelling of 13391112 in words is "thirteen million, three hundred ninety-one thousand, one hundred twelve".