13072317 has 8 divisors (see below), whose sum is σ = 17855040. Its totient is φ = 8502240.

The previous prime is 13072313. The next prime is 13072321. The reversal of 13072317 is 71327031.

It is an interprime number because it is at equal distance from previous prime (13072313) and next prime (13072321).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13072317 - 2² = 13072313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13072313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53017 + ... + 53262.

It is an arithmetic number, because the mean of its divisors is an integer number (2231880).

Almost surely, 2^13072317 is an apocalyptic number.

It is an amenable number.

13072317 is a deficient number, since it is larger than the sum of its proper divisors (4782723).

13072317 is a wasteful number, since it uses less digits than its factorization.

13072317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106323.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 13072317 is about 3615.5659308053. The cubic root of 13072317 is about 235.5686665582.

Adding to 13072317 its reverse (71327031), we get a palindrome (84399348).

The spelling of 13072317 in words is "thirteen million, seventy-two thousand, three hundred seventeen".