12741539 has 2 divisors, whose sum is σ = 12741540. Its totient is φ = 12741538.

The previous prime is 12741523. The next prime is 12741557. The reversal of 12741539 is 93514721.

12741539 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 is an emirp because it is prime and its reverse (93514721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12741539 - 2⁴ = 12741523 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12741569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6370769 + 6370770.

It is an arithmetic number, because the mean of its divisors is an integer number (6370770).

Almost surely, 2^12741539 is an apocalyptic number.

12741539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12741539 is an equidigital number, since it uses as much as digits as its factorization.

12741539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 12741539 is about 3569.5292406703. The cubic root of 12741539 is about 233.5647484161.

The spelling of 12741539 in words is "twelve million, seven hundred forty-one thousand, five hundred thirty-nine".