13103112 has 32 divisors (see below), whose sum is σ = 35736480. Its totient is φ = 3970560.

The previous prime is 13103087. The next prime is 13103147. The reversal of 13103112 is 21130131.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24553 + ... + 25080.

It is an arithmetic number, because the mean of its divisors is an integer number (1116765).

Almost surely, 2^13103112 is an apocalyptic number.

13103112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13103112 is an abundant number, since it is smaller than the sum of its proper divisors (22633368).

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

13103112 is a wasteful number, since it uses less digits than its factorization.

13103112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49653 (or 49649 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 13103112 is about 3619.8220950759. The cubic root of 13103112 is about 235.7535011233.

Adding to 13103112 its reverse (21130131), we get a palindrome (34233243).

The spelling of 13103112 in words is "thirteen million, one hundred three thousand, one hundred twelve".