12313426 has 4 divisors (see below), whose sum is σ = 18470142. Its totient is φ = 6156712.

The previous prime is 12313409. The next prime is 12313447. The reversal of 12313426 is 62431321.

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

It can be written as a sum of positive squares in only one way, i.e., 10208025 + 2105401 = 3195^2 + 1451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12313397 and 12313406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078355 + ... + 3078358.

Almost surely, 2^12313426 is an apocalyptic number.

12313426 is a deficient number, since it is larger than the sum of its proper divisors (6156716).

12313426 is an equidigital number, since it uses as much as digits as its factorization.

12313426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156715.

The product of its digits is 864, while the sum is 22.

The square root of 12313426 is about 3509.0491589603. The cubic root of 12313426 is about 230.9189823515.

Adding to 12313426 its reverse (62431321), we get a palindrome (74744747).

The spelling of 12313426 in words is "twelve million, three hundred thirteen thousand, four hundred twenty-six".