12152313 has 6 divisors (see below), whose sum is σ = 17553354. Its totient is φ = 8101536.

The previous prime is 12152299. The next prime is 12152321. The reversal of 12152313 is 31325121.

It can be written as a sum of positive squares in only one way, i.e., 9566649 + 2585664 = 3093^2 + 1608^2 .

It is not a de Polignac number, because 12152313 - 2⁵ = 12152281 is a prime.

It is a super-2 number, since 2×12152313² = 295357422499938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12152323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 675120 + ... + 675137.

It is an arithmetic number, because the mean of its divisors is an integer number (2925559).

Almost surely, 2^12152313 is an apocalyptic number.

It is an amenable number.

12152313 is a deficient number, since it is larger than the sum of its proper divisors (5401041).

12152313 is a wasteful number, since it uses less digits than its factorization.

12152313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350263 (or 1350260 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 12152313 is about 3486.0167813710. The cubic root of 12152313 is about 229.9074170535.

Adding to 12152313 its reverse (31325121), we get a palindrome (43477434).

The spelling of 12152313 in words is "twelve million, one hundred fifty-two thousand, three hundred thirteen".