12313347 has 4 divisors (see below), whose sum is σ = 16417800. Its totient is φ = 8208896.

The previous prime is 12313339. The next prime is 12313361. The reversal of 12313347 is 74331321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12313347 - 2³ = 12313339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12313337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052222 + ... + 2052227.

It is an arithmetic number, because the mean of its divisors is an integer number (4104450).

Almost surely, 2^12313347 is an apocalyptic number.

12313347 is a deficient number, since it is larger than the sum of its proper divisors (4104453).

12313347 is an equidigital number, since it uses as much as digits as its factorization.

12313347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104452.

The product of its digits is 1512, while the sum is 24.

The square root of 12313347 is about 3509.0379023316. The cubic root of 12313347 is about 230.9184885101.

Adding to 12313347 its reverse (74331321), we get a palindrome (86644668).

The spelling of 12313347 in words is "twelve million, three hundred thirteen thousand, three hundred forty-seven".