12869329 has 4 divisors (see below), whose sum is σ = 14039280. Its totient is φ = 11699380.

The previous prime is 12869299. The next prime is 12869333. The reversal of 12869329 is 92396821.

It is a happy number.

12869329 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12869329 - 2⁷ = 12869201 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12869291 and 12869300.

It is not an unprimeable number, because it can be changed into a prime (12869429) 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, 584959 + ... + 584980.

It is an arithmetic number, because the mean of its divisors is an integer number (3509820).

Almost surely, 2^12869329 is an apocalyptic number.

It is an amenable number.

12869329 is a deficient number, since it is larger than the sum of its proper divisors (1169951).

12869329 is a wasteful number, since it uses less digits than its factorization.

12869329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169950.

The product of its digits is 46656, while the sum is 40.

The square root of 12869329 is about 3587.3847019800. The cubic root of 12869329 is about 234.3429905678.

The spelling of 12869329 in words is "twelve million, eight hundred sixty-nine thousand, three hundred twenty-nine".