12874439 has 2 divisors, whose sum is σ = 12874440. Its totient is φ = 12874438.

The previous prime is 12874427. The next prime is 12874441. The reversal of 12874439 is 93447821.

12874439 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 an emirp because it is prime and its reverse (93447821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12874439 - 2¹⁶ = 12808903 is a prime.

Together with 12874441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12874469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6437219 + 6437220.

It is an arithmetic number, because the mean of its divisors is an integer number (6437220).

Almost surely, 2^12874439 is an apocalyptic number.

12874439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12874439 is an equidigital number, since it uses as much as digits as its factorization.

12874439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 12874439 is about 3588.0968493060. The cubic root of 12874439 is about 234.3740031721.

The spelling of 12874439 in words is "twelve million, eight hundred seventy-four thousand, four hundred thirty-nine".