13117720007 has 8 divisors (see below), whose sum is σ = 14993567232. Its totient is φ = 11242344600.

The previous prime is 13117719991. The next prime is 13117720037. The reversal of 13117720007 is 70002771131.

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 13117720007 - 2⁴ = 13117719991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13117720037) 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, 56219 + ... + 171452.

It is an arithmetic number, because the mean of its divisors is an integer number (1874195904).

Almost surely, 2^13117720007 is an apocalyptic number.

13117720007 is a deficient number, since it is larger than the sum of its proper divisors (1875847225).

13117720007 is an equidigital number, since it uses as much as digits as its factorization.

13117720007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235909.

The product of its (nonzero) digits is 2058, while the sum is 29.

The spelling of 13117720007 in words is "thirteen billion, one hundred seventeen million, seven hundred twenty thousand, seven".