12872717265 has 16 divisors (see below), whose sum is σ = 21680366400. Its totient is φ = 6504109632.

The previous prime is 12872717261. The next prime is 12872717269. The reversal of 12872717265 is 56271727821.

It is an interprime number because it is at equal distance from previous prime (12872717261) and next prime (12872717269).

It is not a de Polignac number, because 12872717265 - 2² = 12872717261 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12872717261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22583430 + ... + 22583999.

It is an arithmetic number, because the mean of its divisors is an integer number (1355022900).

Almost surely, 2^12872717265 is an apocalyptic number.

12872717265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12872717265 is a deficient number, since it is larger than the sum of its proper divisors (8807649135).

12872717265 is a wasteful number, since it uses less digits than its factorization.

12872717265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45167456.

The product of its digits is 658560, while the sum is 48.

The spelling of 12872717265 in words is "twelve billion, eight hundred seventy-two million, seven hundred seventeen thousand, two hundred sixty-five".