12659962894 has 4 divisors (see below), whose sum is σ = 18989944344. Its totient is φ = 6329981446.

The previous prime is 12659962891. The next prime is 12659962901. The reversal of 12659962894 is 49826995621.

12659962894 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 (12659962891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3164990722 + ... + 3164990725.

It is an arithmetic number, because the mean of its divisors is an integer number (4747486086).

Almost surely, 2^12659962894 is an apocalyptic number.

12659962894 is a deficient number, since it is larger than the sum of its proper divisors (6329981450).

12659962894 is an equidigital number, since it uses as much as digits as its factorization.

12659962894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329981449.

The product of its digits is 16796160, while the sum is 61.

The spelling of 12659962894 in words is "twelve billion, six hundred fifty-nine million, nine hundred sixty-two thousand, eight hundred ninety-four".