12896857846 has 4 divisors (see below), whose sum is σ = 19345286772. Its totient is φ = 6448428922.

The previous prime is 12896857837. The next prime is 12896857847. The reversal of 12896857846 is 64875869821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12896857847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224214460 + ... + 3224214463.

It is an arithmetic number, because the mean of its divisors is an integer number (4836321693).

Almost surely, 2^12896857846 is an apocalyptic number.

12896857846 is a deficient number, since it is larger than the sum of its proper divisors (6448428926).

12896857846 is an equidigital number, since it uses as much as digits as its factorization.

12896857846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6448428925.

The product of its digits is 46448640, while the sum is 64.

The spelling of 12896857846 in words is "twelve billion, eight hundred ninety-six million, eight hundred fifty-seven thousand, eight hundred forty-six".