13250317 has 4 divisors (see below), whose sum is σ = 13257756. Its totient is φ = 13242880.

The previous prime is 13250311. The next prime is 13250333. The reversal of 13250317 is 71305231.

13250317 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 6380676 + 6869641 = 2526^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 13250317 - 2¹¹ = 13248269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13250311) 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, 717 + ... + 5197.

It is an arithmetic number, because the mean of its divisors is an integer number (3314439).

Almost surely, 2^13250317 is an apocalyptic number.

It is an amenable number.

13250317 is a deficient number, since it is larger than the sum of its proper divisors (7439).

13250317 is an equidigital number, since it uses as much as digits as its factorization.

13250317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7438.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13250317 is about 3640.0984876786. The cubic root of 13250317 is about 236.6330616395.

Adding to 13250317 its reverse (71305231), we get a palindrome (84555548).

The spelling of 13250317 in words is "thirteen million, two hundred fifty thousand, three hundred seventeen".