13894560512 has 72 divisors (see below), whose sum is σ = 31726281216. Its totient is φ = 5949305856.

The previous prime is 13894560391. The next prime is 13894560523. The reversal of 13894560512 is 21506549831.

It is a happy 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, 2375063 + ... + 2380905.

Almost surely, 2^13894560512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13894560512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15863140608).

13894560512 is an abundant number, since it is smaller than the sum of its proper divisors (17831720704).

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

13894560512 is an equidigital number, since it uses as much as digits as its factorization.

13894560512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7193 (or 7179 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 13894560512 in words is "thirteen billion, eight hundred ninety-four million, five hundred sixty thousand, five hundred twelve".