13280112 has 50 divisors (see below), whose sum is σ = 38440248. Its totient is φ = 4426272.

The previous prime is 13280093. The next prime is 13280117. The reversal of 13280112 is 21108231.

It is a super-2 number, since 2×13280112² = 352722749465088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13280117) 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 9 ways as a sum of consecutive naturals, for example, 3828 + ... + 6419.

Almost surely, 2^13280112 is an apocalyptic number.

13280112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13280112 is an abundant number, since it is smaller than the sum of its proper divisors (25160136).

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

13280112 is a wasteful number, since it uses less digits than its factorization.

13280112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10267 (or 10252 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 13280112 is about 3644.1887986217. The cubic root of 13280112 is about 236.8102952366.

Adding to 13280112 its reverse (21108231), we get a palindrome (34388343).

The spelling of 13280112 in words is "thirteen million, two hundred eighty thousand, one hundred twelve".