1312313 has 8 divisors (see below), whose sum is σ = 1350048. Its totient is φ = 1275264.

The previous prime is 1312303. The next prime is 1312319. The reversal of 1312313 is 3132131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312313 - 2¹⁸ = 1050169 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 7970 + ... + 8132.

It is an arithmetic number, because the mean of its divisors is an integer number (168756).

2^1312313 is an apocalyptic number.

It is an amenable number.

1312313 is a deficient number, since it is larger than the sum of its proper divisors (37735).

1312313 is an equidigital number, since it uses as much as digits as its factorization.

1312313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its digits is 54, while the sum is 14.

The square root of 1312313 is about 1145.5623073408. The cubic root of 1312313 is about 109.4827784402.

Adding to 1312313 its reverse (3132131), we get a palindrome (4444444).

The spelling of 1312313 in words is "one million, three hundred twelve thousand, three hundred thirteen".