13318417 has 8 divisors (see below), whose sum is σ = 15313536. Its totient is φ = 11346432.

The previous prime is 13318387. The next prime is 13318421. The reversal of 13318417 is 71481331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13318417 - 2²³ = 4929809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13318457) 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 7 ways as a sum of consecutive naturals, for example, 4528 + ... + 6865.

It is an arithmetic number, because the mean of its divisors is an integer number (1914192).

Almost surely, 2^13318417 is an apocalyptic number.

It is an amenable number.

13318417 is a deficient number, since it is larger than the sum of its proper divisors (1995119).

13318417 is a wasteful number, since it uses less digits than its factorization.

13318417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11567.

The product of its digits is 2016, while the sum is 28.

The square root of 13318417 is about 3649.4406420711. The cubic root of 13318417 is about 237.0377609603.

Adding to 13318417 its reverse (71481331), we get a palindrome (84799748).

The spelling of 13318417 in words is "thirteen million, three hundred eighteen thousand, four hundred seventeen".