12894297685 has 8 divisors (see below), whose sum is σ = 15617766816. Its totient is φ = 10219031760.

The previous prime is 12894297659. The next prime is 12894297737. The reversal of 12894297685 is 58679249821.

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

It is not a de Polignac number, because 12894297685 - 2¹¹ = 12894295637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12050211 + ... + 12051280.

It is an arithmetic number, because the mean of its divisors is an integer number (1952220852).

Almost surely, 2^12894297685 is an apocalyptic number.

It is an amenable number.

12894297685 is a deficient number, since it is larger than the sum of its proper divisors (2723469131).

12894297685 is a wasteful number, since it uses less digits than its factorization.

12894297685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24101603.

The product of its digits is 17418240, while the sum is 61.

The spelling of 12894297685 in words is "twelve billion, eight hundred ninety-four million, two hundred ninety-seven thousand, six hundred eighty-five".