13247117 has 8 divisors (see below), whose sum is σ = 14370720. Its totient is φ = 12138480.

The previous prime is 13247111. The next prime is 13247119. The reversal of 13247117 is 71174231.

It is a happy number.

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 13247117 - 2⁸ = 13246861 is a prime.

It is a super-2 number, since 2×13247117² = 350972217623378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13247111) 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, 1859 + ... + 5472.

It is an arithmetic number, because the mean of its divisors is an integer number (1796340).

Almost surely, 2^13247117 is an apocalyptic number.

It is an amenable number.

13247117 is a deficient number, since it is larger than the sum of its proper divisors (1123603).

13247117 is a wasteful number, since it uses less digits than its factorization.

13247117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7483.

The product of its digits is 1176, while the sum is 26.

The square root of 13247117 is about 3639.6589125906. The cubic root of 13247117 is about 236.6140108560.

The spelling of 13247117 in words is "thirteen million, two hundred forty-seven thousand, one hundred seventeen".