13134439 has 2 divisors, whose sum is σ = 13134440. Its totient is φ = 13134438.

The previous prime is 13134431. The next prime is 13134481. The reversal of 13134439 is 93443131.

13134439 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 (93443131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13134439 - 2³ = 13134431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13134431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567219 + 6567220.

It is an arithmetic number, because the mean of its divisors is an integer number (6567220).

Almost surely, 2^13134439 is an apocalyptic number.

13134439 is a deficient number, since it is larger than the sum of its proper divisors (1).

13134439 is an equidigital number, since it uses as much as digits as its factorization.

13134439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 13134439 is about 3624.1466581804. The cubic root of 13134439 is about 235.9412318957.

The spelling of 13134439 in words is "thirteen million, one hundred thirty-four thousand, four hundred thirty-nine".