12631394417 has 16 divisors (see below), whose sum is σ = 13522541760. Its totient is φ = 11756894208.

The previous prime is 12631394407. The next prime is 12631394423. The reversal of 12631394417 is 71449313621.

12631394417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12631394417 - 2⁶ = 12631394353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12631394407) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3340634 + ... + 3344412.

It is an arithmetic number, because the mean of its divisors is an integer number (845158860).

Almost surely, 2^12631394417 is an apocalyptic number.

12631394417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12631394417 is a deficient number, since it is larger than the sum of its proper divisors (891147343).

12631394417 is a wasteful number, since it uses less digits than its factorization.

12631394417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920.

The product of its digits is 108864, while the sum is 41.

The spelling of 12631394417 in words is "twelve billion, six hundred thirty-one million, three hundred ninety-four thousand, four hundred seventeen".