12608811897 has 24 divisors (see below), whose sum is σ = 18502072992. Its totient is φ = 7637403840.

The previous prime is 12608811833. The next prime is 12608811967. The reversal of 12608811897 is 79811880621.

It is a happy number.

It is not a de Polignac number, because 12608811897 - 2⁶ = 12608811833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12608811097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7094673 + ... + 7096449.

It is an arithmetic number, because the mean of its divisors is an integer number (770919708).

Almost surely, 2^12608811897 is an apocalyptic number.

It is an amenable number.

12608811897 is a deficient number, since it is larger than the sum of its proper divisors (5893261095).

12608811897 is an frugal number, since it uses more digits than its factorization.

12608811897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 51.

The spelling of 12608811897 in words is "twelve billion, six hundred eight million, eight hundred eleven thousand, eight hundred ninety-seven".