12313258 has 4 divisors (see below), whose sum is σ = 18469890. Its totient is φ = 6156628.

The previous prime is 12313237. The next prime is 12313261. The reversal of 12313258 is 85231321.

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., 12089529 + 223729 = 3477^2 + 473^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078313 + ... + 3078316.

Almost surely, 2^12313258 is an apocalyptic number.

12313258 is a deficient number, since it is larger than the sum of its proper divisors (6156632).

12313258 is an equidigital number, since it uses as much as digits as its factorization.

12313258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156631.

The product of its digits is 1440, while the sum is 25.

The square root of 12313258 is about 3509.0252207700. The cubic root of 12313258 is about 230.9179321546.

Adding to 12313258 its reverse (85231321), we get a palindrome (97544579).

It can be divided in two parts, 1231 and 3258, that added together give a square (4489 = 67²).

The spelling of 12313258 in words is "twelve million, three hundred thirteen thousand, two hundred fifty-eight".