12894064896 has 72 divisors (see below), whose sum is σ = 34468658784. Its totient is φ = 4279029760.

The previous prime is 12894064873. The next prime is 12894064901. The reversal of 12894064896 is 69846049821.

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, 137356 + ... + 211316.

It is an arithmetic number, because the mean of its divisors is an integer number (478731372).

Almost surely, 2^12894064896 is an apocalyptic number.

12894064896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12894064896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17234329392).

12894064896 is an abundant number, since it is smaller than the sum of its proper divisors (21574593888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12894064896 is an equidigital number, since it uses as much as digits as its factorization.

12894064896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74207 (or 74193 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 12894064896 in words is "twelve billion, eight hundred ninety-four million, sixty-four thousand, eight hundred ninety-six".