12636736078 has 8 divisors (see below), whose sum is σ = 18955749960. Its totient is φ = 6318152760.

The previous prime is 12636736043. The next prime is 12636736121. The reversal of 12636736078 is 87063763621.

It is a happy number.

12636736078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19993 + ... + 160228.

It is an arithmetic number, because the mean of its divisors is an integer number (2369468745).

Almost surely, 2^12636736078 is an apocalyptic number.

12636736078 is a deficient number, since it is larger than the sum of its proper divisors (6319013882).

12636736078 is a wasteful number, since it uses less digits than its factorization.

12636736078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215282.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 12636736078 in words is "twelve billion, six hundred thirty-six million, seven hundred thirty-six thousand, seventy-eight".