12812313 has 8 divisors (see below), whose sum is σ = 17113408. Its totient is φ = 8526384.

The previous prime is 12812297. The next prime is 12812329. The reversal of 12812313 is 31321821.

It is an interprime number because it is at equal distance from previous prime (12812297) and next prime (12812329).

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

It is not a de Polignac number, because 12812313 - 2⁴ = 12812297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12812313.

It is not an unprimeable number, because it can be changed into a prime (12812333) 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, 1645 + ... + 5322.

It is an arithmetic number, because the mean of its divisors is an integer number (2139176).

Almost surely, 2^12812313 is an apocalyptic number.

It is an amenable number.

12812313 is a deficient number, since it is larger than the sum of its proper divisors (4301095).

12812313 is an equidigital number, since it uses as much as digits as its factorization.

12812313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7583.

The product of its digits is 288, while the sum is 21.

The square root of 12812313 is about 3579.4291444307. The cubic root of 12812313 is about 233.9964021654.

The spelling of 12812313 in words is "twelve million, eight hundred twelve thousand, three hundred thirteen".