13128112 has 20 divisors (see below), whose sum is σ = 25553920. Its totient is φ = 6533568.

The previous prime is 13128103. The next prime is 13128139. The reversal of 13128112 is 21182131.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 13128112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1873 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (1277696).

Almost surely, 2^13128112 is an apocalyptic number.

It is an amenable number.

13128112 is a deficient number, since it is larger than the sum of its proper divisors (12425808).

13128112 is a wasteful number, since it uses less digits than its factorization.

13128112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820 (or 3814 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

The square root of 13128112 is about 3623.2736578956. The cubic root of 13128112 is about 235.9033406710.

The spelling of 13128112 in words is "thirteen million, one hundred twenty-eight thousand, one hundred twelve".