13129317 has 16 divisors (see below), whose sum is σ = 19543680. Its totient is φ = 8711136.

The previous prime is 13129313. The next prime is 13129331. The reversal of 13129317 is 71392131.

It is not a de Polignac number, because 13129317 - 2² = 13129313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13129313) 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 15 ways as a sum of consecutive naturals, for example, 5248 + ... + 7334.

It is an arithmetic number, because the mean of its divisors is an integer number (1221480).

Almost surely, 2^13129317 is an apocalyptic number.

It is an amenable number.

13129317 is a deficient number, since it is larger than the sum of its proper divisors (6414363).

13129317 is a wasteful number, since it uses less digits than its factorization.

13129317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329 (or 2323 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 13129317 is about 3623.4399401674. The cubic root of 13129317 is about 235.9105581300.

The spelling of 13129317 in words is "thirteen million, one hundred twenty-nine thousand, three hundred seventeen".