1312316 has 12 divisors (see below), whose sum is σ = 2358888. Its totient is φ = 638352.

The previous prime is 1312303. The next prime is 1312319. The reversal of 1312316 is 6132131.

It is a junction number, because it is equal to n+sod(n) for n = 1312294 and 1312303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312319) 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, 4286 + ... + 4581.

It is an arithmetic number, because the mean of its divisors is an integer number (196574).

2^1312316 is an apocalyptic number.

It is an amenable number.

1312316 is a deficient number, since it is larger than the sum of its proper divisors (1046572).

1312316 is a wasteful number, since it uses less digits than its factorization.

1312316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8908 (or 8906 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 1312316 is about 1145.5636167407. The cubic root of 1312316 is about 109.4828618675.

Adding to 1312316 its reverse (6132131), we get a palindrome (7444447).

The spelling of 1312316 in words is "one million, three hundred twelve thousand, three hundred sixteen".