13605207879 has 8 divisors (see below), whose sum is σ = 18251567872. Its totient is φ = 9014493240.

The previous prime is 13605207853. The next prime is 13605207883. The reversal of 13605207879 is 97870250631.

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

It is a de Polignac number, because none of the positive numbers 2^k-13605207879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13605207179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13910767 + ... + 13911744.

It is an arithmetic number, because the mean of its divisors is an integer number (2281445984).

Almost surely, 2^13605207879 is an apocalyptic number.

13605207879 is a deficient number, since it is larger than the sum of its proper divisors (4646359993).

13605207879 is a wasteful number, since it uses less digits than its factorization.

13605207879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27822677.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 13605207879 in words is "thirteen billion, six hundred five million, two hundred seven thousand, eight hundred seventy-nine".