12962975865 has 32 divisors (see below), whose sum is σ = 24254985216. Its totient is φ = 5788117440.

The previous prime is 12962975833. The next prime is 12962975869. The reversal of 12962975865 is 56857926921.

It is not a de Polignac number, because 12962975865 - 2⁵ = 12962975833 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12962975799 and 12962975808.

It is not an unprimeable number, because it can be changed into a prime (12962975869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1431031 + ... + 1440060.

It is an arithmetic number, because the mean of its divisors is an integer number (757968288).

Almost surely, 2^12962975865 is an apocalyptic number.

12962975865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12962975865 is a deficient number, since it is larger than the sum of its proper divisors (11292009351).

12962975865 is a wasteful number, since it uses less digits than its factorization.

12962975865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871149.

The product of its digits is 16329600, while the sum is 60.

The spelling of 12962975865 in words is "twelve billion, nine hundred sixty-two million, nine hundred seventy-five thousand, eight hundred sixty-five".