1312112 has 10 divisors (see below), whose sum is σ = 2542248. Its totient is φ = 656048.

The previous prime is 1312093. The next prime is 1312133. The reversal of 1312112 is 2112131.

It is a junction number, because it is equal to n+sod(n) for n = 1312093 and 1312102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40988 + ... + 41019.

2^1312112 is an apocalyptic number.

It is an amenable number.

1312112 is a deficient number, since it is larger than the sum of its proper divisors (1230136).

1312112 is an equidigital number, since it uses as much as digits as its factorization.

1312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82015 (or 82009 counting only the distinct ones).

The product of its digits is 12, while the sum is 11.

The square root of 1312112 is about 1145.4745741395. The cubic root of 1312112 is about 109.4771885232.

Adding to 1312112 its reverse (2112131), we get a palindrome (3424243).

It can be divided in two parts, 131 and 2112, that multiplied together give a palindrome (276672).

The spelling of 1312112 in words is "one million, three hundred twelve thousand, one hundred twelve".