13117361 has 4 divisors (see below), whose sum is σ = 13164324. Its totient is φ = 13070400.

The previous prime is 13117343. The next prime is 13117369. The reversal of 13117361 is 16371131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11771761 + 1345600 = 3431^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 13117361 - 2¹⁴ = 13100977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13117369) 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, 23060 + ... + 23621.

It is an arithmetic number, because the mean of its divisors is an integer number (3291081).

Almost surely, 2^13117361 is an apocalyptic number.

It is an amenable number.

13117361 is a deficient number, since it is larger than the sum of its proper divisors (46963).

13117361 is an equidigital number, since it uses as much as digits as its factorization.

13117361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46962.

The product of its digits is 378, while the sum is 23.

The square root of 13117361 is about 3621.7897509381. The cubic root of 13117361 is about 235.8389270053.

Adding to 13117361 its reverse (16371131), we get a palindrome (29488492).

The spelling of 13117361 in words is "thirteen million, one hundred seventeen thousand, three hundred sixty-one".