12832805 has 4 divisors (see below), whose sum is σ = 15399372. Its totient is φ = 10266240.

The previous prime is 12832801. The next prime is 12832811. The reversal of 12832805 is 50823821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50823821 = 139 ⋅365639.

It can be written as a sum of positive squares in 2 ways, for example, as 9728161 + 3104644 = 3119^2 + 1762^2 .

It is not a de Polignac number, because 12832805 - 2² = 12832801 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 (12832801) 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, 1283276 + ... + 1283285.

It is an arithmetic number, because the mean of its divisors is an integer number (3849843).

Almost surely, 2^12832805 is an apocalyptic number.

It is an amenable number.

12832805 is a deficient number, since it is larger than the sum of its proper divisors (2566567).

12832805 is an equidigital number, since it uses as much as digits as its factorization.

12832805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566566.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 12832805 is about 3582.2904684015. The cubic root of 12832805 is about 234.1210869157.

The spelling of 12832805 in words is "twelve million, eight hundred thirty-two thousand, eight hundred five".