13829239 has 2 divisors, whose sum is σ = 13829240. Its totient is φ = 13829238.

The previous prime is 13829227. The next prime is 13829243. The reversal of 13829239 is 93292831.

13829239 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 13829239 - 2⁷ = 13829111 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13829198 and 13829207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13829219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6914619 + 6914620.

It is an arithmetic number, because the mean of its divisors is an integer number (6914620).

Almost surely, 2^13829239 is an apocalyptic number.

13829239 is a deficient number, since it is larger than the sum of its proper divisors (1).

13829239 is an equidigital number, since it uses as much as digits as its factorization.

13829239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 13829239 is about 3718.7684789457. The cubic root of 13829239 is about 240.0303144578.

The spelling of 13829239 in words is "thirteen million, eight hundred twenty-nine thousand, two hundred thirty-nine".