12736090385 has 8 divisors (see below), whose sum is σ = 15360889896. Its totient is φ = 10137151360.

The previous prime is 12736090369. The next prime is 12736090417. The reversal of 12736090385 is 58309063721.

It can be written as a sum of positive squares in 4 ways, for example, as 6045995536 + 6690094849 = 77756^2 + 81793^2 .

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

It is not a de Polignac number, because 12736090385 - 2⁴ = 12736090369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6464036 + ... + 6466005.

It is an arithmetic number, because the mean of its divisors is an integer number (1920111237).

Almost surely, 2^12736090385 is an apocalyptic number.

It is an amenable number.

12736090385 is a deficient number, since it is larger than the sum of its proper divisors (2624799511).

12736090385 is a wasteful number, since it uses less digits than its factorization.

12736090385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12930243.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 12736090385 in words is "twelve billion, seven hundred thirty-six million, ninety thousand, three hundred eighty-five".