12816407807 has 12 divisors (see below), whose sum is σ = 15045667560. Its totient is φ = 10884703536.

The previous prime is 12816407803. The next prime is 12816407843. The reversal of 12816407807 is 70870461821.

It is not a de Polignac number, because 12816407807 - 2² = 12816407803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12816407803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1194473 + ... + 1205154.

It is an arithmetic number, because the mean of its divisors is an integer number (1253805630).

Almost surely, 2^12816407807 is an apocalyptic number.

12816407807 is a deficient number, since it is larger than the sum of its proper divisors (2229259753).

12816407807 is a wasteful number, since it uses less digits than its factorization.

12816407807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399750 (or 2399743 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 44.

The spelling of 12816407807 in words is "twelve billion, eight hundred sixteen million, four hundred seven thousand, eight hundred seven".