1312612 has 36 divisors (see below), whose sum is σ = 2759484. Its totient is φ = 544320.

The previous prime is 1312603. The next prime is 1312637. The reversal of 1312612 is 2162131.

It can be written as a sum of positive squares in 2 ways, for example, as 509796 + 802816 = 714^2 + 896^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7162 + ... + 7342.

2^1312612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379742).

1312612 is an abundant number, since it is smaller than the sum of its proper divisors (1446872).

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

1312612 is a wasteful number, since it uses less digits than its factorization.

1312612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 227 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 1312612 is about 1145.6928035036. The cubic root of 1312612 is about 109.4910927333.

Adding to 1312612 its reverse (2162131), we get a palindrome (3474743).

The spelling of 1312612 in words is "one million, three hundred twelve thousand, six hundred twelve".