13127317 has 4 divisors (see below), whose sum is σ = 15002656. Its totient is φ = 11251980.

The previous prime is 13127311. The next prime is 13127321. The reversal of 13127317 is 71372131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71372131 = 43 ⋅1659817.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13127317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13127291 and 13127300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13127311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937659 + ... + 937672.

It is an arithmetic number, because the mean of its divisors is an integer number (3750664).

Almost surely, 2^13127317 is an apocalyptic number.

It is an amenable number.

13127317 is a deficient number, since it is larger than the sum of its proper divisors (1875339).

13127317 is an equidigital number, since it uses as much as digits as its factorization.

13127317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875338.

The product of its digits is 882, while the sum is 25.

The square root of 13127317 is about 3623.1639488160. The cubic root of 13127317 is about 235.8985787032.

Adding to 13127317 its reverse (71372131), we get a palindrome (84499448).

The spelling of 13127317 in words is "thirteen million, one hundred twenty-seven thousand, three hundred seventeen".