13243829 has 4 divisors (see below), whose sum is σ = 13276620. Its totient is φ = 13211040.

The previous prime is 13243819. The next prime is 13243847. The reversal of 13243829 is 92834231.

It is a happy number.

13243829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10387729 + 2856100 = 3223^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 13243829 - 2¹⁶ = 13178293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13243795 and 13243804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15782 + ... + 16599.

It is an arithmetic number, because the mean of its divisors is an integer number (3319155).

Almost surely, 2^13243829 is an apocalyptic number.

It is an amenable number.

13243829 is a deficient number, since it is larger than the sum of its proper divisors (32791).

13243829 is an equidigital number, since it uses as much as digits as its factorization.

13243829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32790.

The product of its digits is 10368, while the sum is 32.

The square root of 13243829 is about 3639.2071938817. The cubic root of 13243829 is about 236.5944329800.

The spelling of 13243829 in words is "thirteen million, two hundred forty-three thousand, eight hundred twenty-nine".