13430317 has 4 divisors (see below), whose sum is σ = 13438396. Its totient is φ = 13422240.

The previous prime is 13430303. The next prime is 13430369. The reversal of 13430317 is 71303431.

It is a happy number.

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 3279721 + 10150596 = 1811^2 + 3186^2 .

It is a cyclic number.

It is not a de Polignac number, because 13430317 - 2¹⁹ = 12906029 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 (13430617) 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, 528 + ... + 5209.

It is an arithmetic number, because the mean of its divisors is an integer number (3359599).

Almost surely, 2^13430317 is an apocalyptic number.

It is an amenable number.

13430317 is a deficient number, since it is larger than the sum of its proper divisors (8079).

13430317 is an equidigital number, since it uses as much as digits as its factorization.

13430317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8078.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 13430317 is about 3664.7396906192. The cubic root of 13430317 is about 237.6997661821.

Adding to 13430317 its reverse (71303431), we get a palindrome (84733748).

The spelling of 13430317 in words is "thirteen million, four hundred thirty thousand, three hundred seventeen".