13900829 has 2 divisors, whose sum is σ = 13900830. Its totient is φ = 13900828.

The previous prime is 13900823. The next prime is 13900853. The reversal of 13900829 is 92800931.

13900829 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13675204 + 225625 = 3698^2 + 475^2 .

It is an emirp because it is prime and its reverse (92800931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13900829 - 2²⁰ = 12852253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13900795 and 13900804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13900823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6950414 + 6950415.

It is an arithmetic number, because the mean of its divisors is an integer number (6950415).

Almost surely, 2^13900829 is an apocalyptic number.

It is an amenable number.

13900829 is a deficient number, since it is larger than the sum of its proper divisors (1).

13900829 is an equidigital number, since it uses as much as digits as its factorization.

13900829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 13900829 is about 3728.3815523629. The cubic root of 13900829 is about 240.4437911353.

The spelling of 13900829 in words is "thirteen million, nine hundred thousand, eight hundred twenty-nine".