12555112 has 16 divisors (see below), whose sum is σ = 24925860. Its totient is φ = 5908224.

The previous prime is 12555107. The next prime is 12555113. The reversal of 12555112 is 21155521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10982596 + 1572516 = 3314^2 + 1254^2 .

It is not an unprimeable number, because it can be changed into a prime (12555113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46023 + ... + 46294.

Almost surely, 2^12555112 is an apocalyptic number.

It is an amenable number.

12555112 is a deficient number, since it is larger than the sum of its proper divisors (12370748).

12555112 is a wasteful number, since it uses less digits than its factorization.

12555112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92340 (or 92336 counting only the distinct ones).

The product of its digits is 500, while the sum is 22.

The square root of 12555112 is about 3543.3193477303. The cubic root of 12555112 is about 232.4200179660.

The spelling of 12555112 in words is "twelve million, five hundred fifty-five thousand, one hundred twelve".