12625673782 has 4 divisors (see below), whose sum is σ = 18938510676. Its totient is φ = 6312836890.

The previous prime is 12625673777. The next prime is 12625673791. The reversal of 12625673782 is 28737652621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28737652621 = 757 ⋅37962553.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3156418444 + ... + 3156418447.

It is an arithmetic number, because the mean of its divisors is an integer number (4734627669).

Almost surely, 2^12625673782 is an apocalyptic number.

12625673782 is a deficient number, since it is larger than the sum of its proper divisors (6312836894).

12625673782 is an equidigital number, since it uses as much as digits as its factorization.

12625673782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312836893.

The product of its digits is 1693440, while the sum is 49.

The spelling of 12625673782 in words is "twelve billion, six hundred twenty-five million, six hundred seventy-three thousand, seven hundred eighty-two".