12236993 has 2 divisors, whose sum is σ = 12236994. Its totient is φ = 12236992.

The previous prime is 12236981. The next prime is 12237019. The reversal of 12236993 is 39963221.

12236993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11751184 + 485809 = 3428^2 + 697^2 .

It is an emirp because it is prime and its reverse (39963221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12236993 - 2¹² = 12232897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12236953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6118496 + 6118497.

It is an arithmetic number, because the mean of its divisors is an integer number (6118497).

Almost surely, 2^12236993 is an apocalyptic number.

It is an amenable number.

12236993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12236993 is an equidigital number, since it uses as much as digits as its factorization.

12236993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 35.

The square root of 12236993 is about 3498.1413636387. The cubic root of 12236993 is about 230.4401966683.

The spelling of 12236993 in words is "twelve million, two hundred thirty-six thousand, nine hundred ninety-three".