13012317 has 12 divisors (see below), whose sum is σ = 18917340. Its totient is φ = 8618688.

The previous prime is 13012309. The next prime is 13012333. The reversal of 13012317 is 71321031.

13012317 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2842596 + 10169721 = 1686^2 + 3189^2 .

It is not a de Polignac number, because 13012317 - 2³ = 13012309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13012317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3192 + ... + 6017.

It is an arithmetic number, because the mean of its divisors is an integer number (1576445).

Almost surely, 2^13012317 is an apocalyptic number.

It is an amenable number.

13012317 is a deficient number, since it is larger than the sum of its proper divisors (5905023).

13012317 is a wasteful number, since it uses less digits than its factorization.

13012317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372 (or 9369 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 13012317 is about 3607.2589316543. The cubic root of 13012317 is about 235.2077053043.

Adding to 13012317 its reverse (71321031), we get a palindrome (84333348).

The spelling of 13012317 in words is "thirteen million, twelve thousand, three hundred seventeen".