12506719679 has 8 divisors (see below), whose sum is σ = 12819008160. Its totient is φ = 12197257696.

The previous prime is 12506719661. The next prime is 12506719691. The reversal of 12506719679 is 97691760521.

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 12506719679 - 2¹⁶ = 12506654143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12506719679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12506719699) 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, 697664 + ... + 715365.

It is an arithmetic number, because the mean of its divisors is an integer number (1602376020).

Almost surely, 2^12506719679 is an apocalyptic number.

12506719679 is a deficient number, since it is larger than the sum of its proper divisors (312288481).

12506719679 is a wasteful number, since it uses less digits than its factorization.

12506719679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413249.

The product of its (nonzero) digits is 1428840, while the sum is 53.

The spelling of 12506719679 in words is "twelve billion, five hundred six million, seven hundred nineteen thousand, six hundred seventy-nine".