12849205 has 4 divisors (see below), whose sum is σ = 15419052. Its totient is φ = 10279360.

The previous prime is 12849191. The next prime is 12849227. The reversal of 12849205 is 50294821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50294821 = 43 ⋅1169647.

It can be written as a sum of positive squares in 2 ways, for example, as 8346321 + 4502884 = 2889^2 + 2122^2 .

It is not a de Polignac number, because 12849205 - 2⁵ = 12849173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284916 + ... + 1284925.

It is an arithmetic number, because the mean of its divisors is an integer number (3854763).

Almost surely, 2^12849205 is an apocalyptic number.

It is an amenable number.

12849205 is a deficient number, since it is larger than the sum of its proper divisors (2569847).

12849205 is an equidigital number, since it uses as much as digits as its factorization.

12849205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569846.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 12849205 is about 3584.5787758117. The cubic root of 12849205 is about 234.2207780681.

The spelling of 12849205 in words is "twelve million, eight hundred forty-nine thousand, two hundred five".