12683598993 has 48 divisors (see below), whose sum is σ = 20284852224. Its totient is φ = 7587198720.

The previous prime is 12683598989. The next prime is 12683598997. The reversal of 12683598993 is 39989538621.

It is an interprime number because it is at equal distance from previous prime (12683598989) and next prime (12683598997).

It is not a de Polignac number, because 12683598993 - 2² = 12683598989 is a prime.

It is a super-2 number, since 2×12683598993² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12683598993.

It is not an unprimeable number, because it can be changed into a prime (12683598997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1352880 + ... + 1362222.

It is an arithmetic number, because the mean of its divisors is an integer number (422601088).

Almost surely, 2^12683598993 is an apocalyptic number.

12683598993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12683598993 is a deficient number, since it is larger than the sum of its proper divisors (7601253231).

12683598993 is a wasteful number, since it uses less digits than its factorization.

12683598993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9686 (or 9683 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

The spelling of 12683598993 in words is "twelve billion, six hundred eighty-three million, five hundred ninety-eight thousand, nine hundred ninety-three".