12683993 has 12 divisors (see below), whose sum is σ = 14815440. Its totient is φ = 10827432.

The previous prime is 12683987. The next prime is 12683999. The reversal of 12683993 is 39938621.

It is an interprime number because it is at equal distance from previous prime (12683987) and next prime (12683999).

It is a de Polignac number, because none of the positive numbers 2^k-12683993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12683993.

It is not an unprimeable number, because it can be changed into a prime (12683999) 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 11 ways as a sum of consecutive naturals, for example, 18230 + ... + 18912.

It is an arithmetic number, because the mean of its divisors is an integer number (1234620).

Almost surely, 2^12683993 is an apocalyptic number.

It is an amenable number.

12683993 is a deficient number, since it is larger than the sum of its proper divisors (2131447).

12683993 is an equidigital number, since it uses as much as digits as its factorization.

12683993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1069 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 12683993 is about 3561.4593918786. The cubic root of 12683993 is about 233.2125930883.

The spelling of 12683993 in words is "twelve million, six hundred eighty-three thousand, nine hundred ninety-three".