12760205 has 4 divisors (see below), whose sum is σ = 15312252. Its totient is φ = 10208160.

The previous prime is 12760169. The next prime is 12760213. The reversal of 12760205 is 50206721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3694084 + 9066121 = 1922^2 + 3011^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12760205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276016 + ... + 1276025.

It is an arithmetic number, because the mean of its divisors is an integer number (3828063).

Almost surely, 2^12760205 is an apocalyptic number.

It is an amenable number.

12760205 is a deficient number, since it is larger than the sum of its proper divisors (2552047).

12760205 is an equidigital number, since it uses as much as digits as its factorization.

12760205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552046.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12760205 is about 3572.1429142743. The cubic root of 12760205 is about 233.6787480506.

Adding to 12760205 its reverse (50206721), we get a palindrome (62966926).

The spelling of 12760205 in words is "twelve million, seven hundred sixty thousand, two hundred five".