12738293 has 2 divisors, whose sum is σ = 12738294. Its totient is φ = 12738292.

The previous prime is 12738289. The next prime is 12738301. The reversal of 12738293 is 39283721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7711729 + 5026564 = 2777^2 + 2242^2 .

It is an emirp because it is prime and its reverse (39283721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12738293 - 2² = 12738289 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12738223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6369146 + 6369147.

It is an arithmetic number, because the mean of its divisors is an integer number (6369147).

Almost surely, 2^12738293 is an apocalyptic number.

It is an amenable number.

12738293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12738293 is an equidigital number, since it uses as much as digits as its factorization.

12738293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 12738293 is about 3569.0745299027. The cubic root of 12738293 is about 233.5449126237.

It can be divided in two parts, 12738 and 293, that added together give a palindrome (13031).

The spelling of 12738293 in words is "twelve million, seven hundred thirty-eight thousand, two hundred ninety-three".