12394685605 has 32 divisors (see below), whose sum is σ = 15605291520. Its totient is φ = 9440878080.

The previous prime is 12394685599. The next prime is 12394685623. The reversal of 12394685605 is 50658649321.

It is not a de Polignac number, because 12394685605 - 2⁵ = 12394685573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3746362 + ... + 3749668.

It is an arithmetic number, because the mean of its divisors is an integer number (487665360).

Almost surely, 2^12394685605 is an apocalyptic number.

It is an amenable number.

12394685605 is a deficient number, since it is larger than the sum of its proper divisors (3210605915).

12394685605 is a wasteful number, since it uses less digits than its factorization.

12394685605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 12394685605 in words is "twelve billion, three hundred ninety-four million, six hundred eighty-five thousand, six hundred five".