12510313 has 4 divisors (see below), whose sum is σ = 12523588. Its totient is φ = 12497040.

The previous prime is 12510299. The next prime is 12510331. The reversal of 12510313 is 31301521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31301521 = 3581 ⋅8741.

It can be written as a sum of positive squares in 2 ways, for example, as 6692569 + 5817744 = 2587^2 + 2412^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12510313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12510373) 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, 5106 + ... + 7147.

It is an arithmetic number, because the mean of its divisors is an integer number (3130897).

Almost surely, 2^12510313 is an apocalyptic number.

It is an amenable number.

12510313 is a deficient number, since it is larger than the sum of its proper divisors (13275).

12510313 is a wasteful number, since it uses less digits than its factorization.

12510313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13274.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 12510313 is about 3536.9920836779. The cubic root of 12510313 is about 232.1432490768.

Adding to 12510313 its reverse (31301521), we get a palindrome (43811834).

The spelling of 12510313 in words is "twelve million, five hundred ten thousand, three hundred thirteen".