12038993 has 2 divisors, whose sum is σ = 12038994. Its totient is φ = 12038992.

The previous prime is 12038981. The next prime is 12039007. The reversal of 12038993 is 39983021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9193024 + 2845969 = 3032^2 + 1687^2 .

It is a cyclic number.

It is not a de Polignac number, because 12038993 - 2⁴ = 12038977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12038933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6019496 + 6019497.

It is an arithmetic number, because the mean of its divisors is an integer number (6019497).

Almost surely, 2^12038993 is an apocalyptic number.

It is an amenable number.

12038993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12038993 is an equidigital number, since it uses as much as digits as its factorization.

12038993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 12038993 is about 3469.7252052576. The cubic root of 12038993 is about 229.1905573036.

It can be divided in two parts, 12038 and 993, that added together give a palindrome (13031).

The spelling of 12038993 in words is "twelve million, thirty-eight thousand, nine hundred ninety-three".