12252313 has 4 divisors (see below), whose sum is σ = 12262068. Its totient is φ = 12242560.

The previous prime is 12252301. The next prime is 12252319. The reversal of 12252313 is 31325221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31325221 = 31 ⋅1010491.

It can be written as a sum of positive squares in 2 ways, for example, as 7354944 + 4897369 = 2712^2 + 2213^2 .

It is a cyclic number.

It is not a de Polignac number, because 12252313 - 2²¹ = 10155161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12252319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656 + ... + 5617.

It is an arithmetic number, because the mean of its divisors is an integer number (3065517).

Almost surely, 2^12252313 is an apocalyptic number.

It is an amenable number.

12252313 is a deficient number, since it is larger than the sum of its proper divisors (9755).

12252313 is an equidigital number, since it uses as much as digits as its factorization.

12252313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9754.

The product of its digits is 360, while the sum is 19.

The square root of 12252313 is about 3500.3304129753. The cubic root of 12252313 is about 230.5363224506.

Adding to 12252313 its reverse (31325221), we get a palindrome (43577534).

The spelling of 12252313 in words is "twelve million, two hundred fifty-two thousand, three hundred thirteen".