13117345 has 8 divisors (see below), whose sum is σ = 15776064. Its totient is φ = 10470384.

The previous prime is 13117343. The next prime is 13117369. The reversal of 13117345 is 54371131.

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 13117345 - 2¹ = 13117343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13117343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (1972008).

Almost surely, 2^13117345 is an apocalyptic number.

It is an amenable number.

13117345 is a deficient number, since it is larger than the sum of its proper divisors (2658719).

13117345 is an equidigital number, since it uses as much as digits as its factorization.

13117345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879.

The product of its digits is 1260, while the sum is 25.

The square root of 13117345 is about 3621.7875420847. The cubic root of 13117345 is about 235.8388311165.

Adding to 13117345 its reverse (54371131), we get a palindrome (67488476).

The spelling of 13117345 in words is "thirteen million, one hundred seventeen thousand, three hundred forty-five".