12631112 has 16 divisors (see below), whose sum is σ = 25505340. Its totient is φ = 5829696.

The previous prime is 12631111. The next prime is 12631141. The reversal of 12631112 is 21113621.

It can be written as a sum of positive squares in 2 ways, for example, as 12630916 + 196 = 3554^2 + 14^2 .

It is not an unprimeable number, because it can be changed into a prime (12631111) 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, 60623 + ... + 60830.

Almost surely, 2^12631112 is an apocalyptic number.

It is an amenable number.

12631112 is an abundant number, since it is smaller than the sum of its proper divisors (12874228).

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

12631112 is a wasteful number, since it uses less digits than its factorization.

12631112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121472 (or 121468 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 12631112 is about 3554.0275744569. The cubic root of 12631112 is about 232.8880450933. Note that the first 3 decimals are identical.

Adding to 12631112 its reverse (21113621), we get a palindrome (33744733).

The spelling of 12631112 in words is "twelve million, six hundred thirty-one thousand, one hundred twelve".