12873685 has 8 divisors (see below), whose sum is σ = 16852896. Its totient is φ = 9362640.

The previous prime is 12873683. The next prime is 12873689. The reversal of 12873685 is 58637821.

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

It is not a de Polignac number, because 12873685 - 2¹ = 12873683 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 (12873683) 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, 116979 + ... + 117088.

It is an arithmetic number, because the mean of its divisors is an integer number (2106612).

Almost surely, 2^12873685 is an apocalyptic number.

It is an amenable number.

12873685 is a deficient number, since it is larger than the sum of its proper divisors (3979211).

12873685 is a wasteful number, since it uses less digits than its factorization.

12873685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234083.

The product of its digits is 80640, while the sum is 40.

The square root of 12873685 is about 3587.9917781400. The cubic root of 12873685 is about 234.3694276601.

It can be divided in two parts, 128736 and 85, that added together give a palindrome (128821).

The spelling of 12873685 in words is "twelve million, eight hundred seventy-three thousand, six hundred eighty-five".