13117308 has 12 divisors (see below), whose sum is σ = 30607080. Its totient is φ = 4372432.

The previous prime is 13117259. The next prime is 13117331. The reversal of 13117308 is 80371131.

13117308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546543 + ... + 546566.

It is an arithmetic number, because the mean of its divisors is an integer number (2550590).

Almost surely, 2^13117308 is an apocalyptic number.

It is an amenable number.

13117308 is an abundant number, since it is smaller than the sum of its proper divisors (17489772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13117308 is a wasteful number, since it uses less digits than its factorization.

13117308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093116 (or 1093114 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 13117308 is about 3621.7824341062. The cubic root of 13117308 is about 235.8386093733.

Adding to 13117308 its reverse (80371131), we get a palindrome (93488439).

The spelling of 13117308 in words is "thirteen million, one hundred seventeen thousand, three hundred eight".