12407640716 has 6 divisors (see below), whose sum is σ = 21713371260. Its totient is φ = 6203820356.

The previous prime is 12407640667. The next prime is 12407640719. The reversal of 12407640716 is 61704670421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12407640716.

It is not an unprimeable number, because it can be changed into a prime (12407640719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550955086 + ... + 1550955093.

It is an arithmetic number, because the mean of its divisors is an integer number (3618895210).

Almost surely, 2^12407640716 is an apocalyptic number.

It is an amenable number.

12407640716 is a deficient number, since it is larger than the sum of its proper divisors (9305730544).

12407640716 is a wasteful number, since it uses less digits than its factorization.

12407640716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101910183 (or 3101910181 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 12407640716 in words is "twelve billion, four hundred seven million, six hundred forty thousand, seven hundred sixteen".