13829639 has 2 divisors, whose sum is σ = 13829640. Its totient is φ = 13829638.

The previous prime is 13829623. The next prime is 13829657. The reversal of 13829639 is 93692831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13829639 - 2⁴ = 13829623 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13829596 and 13829605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13829239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6914819 + 6914820.

It is an arithmetic number, because the mean of its divisors is an integer number (6914820).

Almost surely, 2^13829639 is an apocalyptic number.

13829639 is a deficient number, since it is larger than the sum of its proper divisors (1).

13829639 is an equidigital number, since it uses as much as digits as its factorization.

13829639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 13829639 is about 3718.8222598022. The cubic root of 13829639 is about 240.0326286657.

The spelling of 13829639 in words is "thirteen million, eight hundred twenty-nine thousand, six hundred thirty-nine".