12749293 has 2 divisors, whose sum is σ = 12749294. Its totient is φ = 12749292.

The previous prime is 12749273. The next prime is 12749311. The reversal of 12749293 is 39294721.

12749293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10259209 + 2490084 = 3203^2 + 1578^2 .

It is an emirp because it is prime and its reverse (39294721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12749293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12749263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6374646 + 6374647.

It is an arithmetic number, because the mean of its divisors is an integer number (6374647).

Almost surely, 2^12749293 is an apocalyptic number.

It is an amenable number.

12749293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12749293 is an equidigital number, since it uses as much as digits as its factorization.

12749293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 12749293 is about 3570.6152130970. The cubic root of 12749293 is about 233.6121182511.

The spelling of 12749293 in words is "twelve million, seven hundred forty-nine thousand, two hundred ninety-three".