12632278687 has 8 divisors (see below), whose sum is σ = 15196726400. Its totient is φ = 10257790104.

The previous prime is 12632278679. The next prime is 12632278697. The reversal of 12632278687 is 78687223621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12632278687 - 2³ = 12632278679 is a prime.

It is a super-3 number, since 3×12632278687³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12632278657) 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 7 ways as a sum of consecutive naturals, for example, 47489637 + ... + 47489902.

It is an arithmetic number, because the mean of its divisors is an integer number (1899590800).

Almost surely, 2^12632278687 is an apocalyptic number.

12632278687 is a deficient number, since it is larger than the sum of its proper divisors (2564447713).

12632278687 is an equidigital number, since it uses as much as digits as its factorization.

12632278687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94979565.

The product of its digits is 2709504, while the sum is 52.

The spelling of 12632278687 in words is "twelve billion, six hundred thirty-two million, two hundred seventy-eight thousand, six hundred eighty-seven".