12993193 has 2 divisors, whose sum is σ = 12993194. Its totient is φ = 12993192.

The previous prime is 12993191. The next prime is 12993221. The reversal of 12993193 is 39139921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8340544 + 4652649 = 2888^2 + 2157^2 .

It is an emirp because it is prime and its reverse (39139921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12993193 - 2¹ = 12993191 is a prime.

Together with 12993191, it forms a pair of twin primes.

It is equal to p₈₄₈₈₁₈ and since 12993193 and 848818 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12993191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6496596 + 6496597.

It is an arithmetic number, because the mean of its divisors is an integer number (6496597).

Almost surely, 2^12993193 is an apocalyptic number.

It is an amenable number.

12993193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12993193 is an equidigital number, since it uses as much as digits as its factorization.

12993193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 37.

The square root of 12993193 is about 3604.6071908046. The cubic root of 12993193 is about 235.0924217731.

The spelling of 12993193 in words is "twelve million, nine hundred ninety-three thousand, one hundred ninety-three".