12829139 has 2 divisors, whose sum is σ = 12829140. Its totient is φ = 12829138.

The previous prime is 12829129. The next prime is 12829163. The reversal of 12829139 is 93192821.

12829139 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 a cyclic number.

It is not a de Polignac number, because 12829139 - 2¹⁶ = 12763603 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12829099 and 12829108.

It is not a weakly prime, because it can be changed into another prime (12829129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6414569 + 6414570.

It is an arithmetic number, because the mean of its divisors is an integer number (6414570).

Almost surely, 2^12829139 is an apocalyptic number.

12829139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12829139 is an equidigital number, since it uses as much as digits as its factorization.

12829139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 12829139 is about 3581.7787480524. The cubic root of 12829139 is about 234.0987906823.

The spelling of 12829139 in words is "twelve million, eight hundred twenty-nine thousand, one hundred thirty-nine".