12753439 has 2 divisors, whose sum is σ = 12753440. Its totient is φ = 12753438.

The previous prime is 12753421. The next prime is 12753449. The reversal of 12753439 is 93435721.

12753439 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 is a cyclic number.

It is not a de Polignac number, because 12753439 - 2⁵ = 12753407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12753409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6376719 + 6376720.

It is an arithmetic number, because the mean of its divisors is an integer number (6376720).

Almost surely, 2^12753439 is an apocalyptic number.

12753439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12753439 is an equidigital number, since it uses as much as digits as its factorization.

12753439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 12753439 is about 3571.1957381247. The cubic root of 12753439 is about 233.6374386322.

The spelling of 12753439 in words is "twelve million, seven hundred fifty-three thousand, four hundred thirty-nine".