12685063417 has 36 divisors (see below), whose sum is σ = 14724870636. Its totient is φ = 10860894720.

The previous prime is 12685063397. The next prime is 12685063429. The reversal of 12685063417 is 71436058621.

It can be written as a sum of positive squares in 6 ways, for example, as 29713401 + 12655350016 = 5451^2 + 112496^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12685063417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12685063117) 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 35 ways as a sum of consecutive naturals, for example, 23447167 + ... + 23447707.

Almost surely, 2^12685063417 is an apocalyptic number.

12685063417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12685063417 is a deficient number, since it is larger than the sum of its proper divisors (2039807219).

12685063417 is an equidigital number, since it uses as much as digits as its factorization.

12685063417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 12685063417 in words is "twelve billion, six hundred eighty-five million, sixty-three thousand, four hundred seventeen".