12745379716 has 12 divisors (see below), whose sum is σ = 22637316688. Its totient is φ = 6277574952.

The previous prime is 12745379671. The next prime is 12745379729. The reversal of 12745379716 is 61797354721.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23778426 + ... + 23778961.

Almost surely, 2^12745379716 is an apocalyptic number.

It is an amenable number.

12745379716 is a deficient number, since it is larger than the sum of its proper divisors (9891936972).

12745379716 is a wasteful number, since it uses less digits than its factorization.

12745379716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47557458 (or 47557456 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 52.

The spelling of 12745379716 in words is "twelve billion, seven hundred forty-five million, three hundred seventy-nine thousand, seven hundred sixteen".