12817683 has 10 divisors (see below), whose sum is σ = 19147524. Its totient is φ = 8545068.

The previous prime is 12817667. The next prime is 12817687. The reversal of 12817683 is 38671821.

It is not a de Polignac number, because 12817683 - 2⁴ = 12817667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12817687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 79041 + ... + 79202.

Almost surely, 2^12817683 is an apocalyptic number.

12817683 is a deficient number, since it is larger than the sum of its proper divisors (6329841).

12817683 is an equidigital number, since it uses as much as digits as its factorization.

12817683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158255 (or 158246 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 12817683 is about 3580.1791854599. The cubic root of 12817683 is about 234.0290890859.

The spelling of 12817683 in words is "twelve million, eight hundred seventeen thousand, six hundred eighty-three".