1312912 has 20 divisors (see below), whose sum is σ = 2626816. Its totient is φ = 635040.

The previous prime is 1312907. The next prime is 1312921. The reversal of 1312912 is 2192131.

1312912 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828 + ... + 1819.

2^1312912 is an apocalyptic number.

It is an amenable number.

1312912 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1312912 is a wasteful number, since it uses less digits than its factorization.

1312912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686 (or 2680 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

The square root of 1312912 is about 1145.8237211718. The cubic root of 1312912 is about 109.4994335646.

The spelling of 1312912 in words is "one million, three hundred twelve thousand, nine hundred twelve".