12832709 has 4 divisors (see below), whose sum is σ = 12914604. Its totient is φ = 12750816.

The previous prime is 12832697. The next prime is 12832741. The reversal of 12832709 is 90723821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90723821 = 8731 ⋅10391.

It can be written as a sum of positive squares in 2 ways, for example, as 3204100 + 9628609 = 1790^2 + 3103^2 .

It is a cyclic number.

It is not a de Polignac number, because 12832709 - 2²⁰ = 11784133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12832759) 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, 40712 + ... + 41025.

It is an arithmetic number, because the mean of its divisors is an integer number (3228651).

Almost surely, 2^12832709 is an apocalyptic number.

It is an amenable number.

12832709 is a deficient number, since it is larger than the sum of its proper divisors (81895).

12832709 is an equidigital number, since it uses as much as digits as its factorization.

12832709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81894.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 12832709 is about 3582.2770691280. The cubic root of 12832709 is about 234.1205031078.

The spelling of 12832709 in words is "twelve million, eight hundred thirty-two thousand, seven hundred nine".