12887627725 has 12 divisors (see below), whose sum is σ = 18263609824. Its totient is φ = 8837230320.

The previous prime is 12887627723. The next prime is 12887627741. The reversal of 12887627725 is 52772678821.

It is not a de Polignac number, because 12887627725 - 2¹ = 12887627723 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12887627723) 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, 36821619 + ... + 36821968.

Almost surely, 2^12887627725 is an apocalyptic number.

It is an amenable number.

12887627725 is a deficient number, since it is larger than the sum of its proper divisors (5375982099).

12887627725 is an equidigital number, since it uses as much as digits as its factorization.

12887627725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73643604 (or 73643599 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 55.

The spelling of 12887627725 in words is "twelve billion, eight hundred eighty-seven million, six hundred twenty-seven thousand, seven hundred twenty-five".