12725973663 has 8 divisors (see below), whose sum is σ = 18273193008. Its totient is φ = 7831368384.

The previous prime is 12725973643. The next prime is 12725973709. The reversal of 12725973663 is 36637952721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12725973663 - 2¹³ = 12725965471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12725973643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163153470 + ... + 163153547.

It is an arithmetic number, because the mean of its divisors is an integer number (2284149126).

Almost surely, 2^12725973663 is an apocalyptic number.

12725973663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12725973663 is a deficient number, since it is larger than the sum of its proper divisors (5547219345).

12725973663 is a wasteful number, since it uses less digits than its factorization.

12725973663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326307033.

The product of its digits is 2857680, while the sum is 51.

The spelling of 12725973663 in words is "twelve billion, seven hundred twenty-five million, nine hundred seventy-three thousand, six hundred sixty-three".