13210829 has 4 divisors (see below), whose sum is σ = 13245180. Its totient is φ = 13176480.

The previous prime is 13210823. The next prime is 13210889. The reversal of 13210829 is 92801231.

13210829 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, and also an emirpimes, since its reverse is a distinct semiprime: 92801231 = 67 ⋅1385093.

It can be written as a sum of positive squares in 2 ways, for example, as 1684804 + 11526025 = 1298^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 13210829 - 2²⁰ = 12162253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13210798 and 13210807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210823) 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, 16592 + ... + 17369.

It is an arithmetic number, because the mean of its divisors is an integer number (3311295).

Almost surely, 2^13210829 is an apocalyptic number.

It is an amenable number.

13210829 is a deficient number, since it is larger than the sum of its proper divisors (34351).

13210829 is an equidigital number, since it uses as much as digits as its factorization.

13210829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34350.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 13210829 is about 3634.6704114679. The cubic root of 13210829 is about 236.3977599963.

The spelling of 13210829 in words is "thirteen million, two hundred ten thousand, eight hundred twenty-nine".