12405884679 has 12 divisors (see below), whose sum is σ = 18039879000. Its totient is φ = 8215081584.

The previous prime is 12405884677. The next prime is 12405884737. The reversal of 12405884679 is 97648850421.

It is a happy number.

12405884679 is a `hidden beast` number, since 12 + 4 + 0 + 588 + 46 + 7 + 9 = 666.

It is not a de Polignac number, because 12405884679 - 2¹ = 12405884677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12405884677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4624269 + ... + 4626950.

It is an arithmetic number, because the mean of its divisors is an integer number (1503323250).

Almost surely, 2^12405884679 is an apocalyptic number.

12405884679 is a deficient number, since it is larger than the sum of its proper divisors (5633994321).

12405884679 is a wasteful number, since it uses less digits than its factorization.

12405884679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251374 (or 9251371 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 12405884679 in words is "twelve billion, four hundred five million, eight hundred eighty-four thousand, six hundred seventy-nine".