12260205 has 12 divisors (see below), whose sum is σ = 21251100. Its totient is φ = 6538752.

The previous prime is 12260197. The next prime is 12260233. The reversal of 12260205 is 50206221.

It can be written as a sum of positive squares in 2 ways, for example, as 6937956 + 5322249 = 2634^2 + 2307^2 .

It is not a de Polignac number, because 12260205 - 2³ = 12260197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136180 + ... + 136269.

It is an arithmetic number, because the mean of its divisors is an integer number (1770925).

Almost surely, 2^12260205 is an apocalyptic number.

12260205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12260205 is a deficient number, since it is larger than the sum of its proper divisors (8990895).

12260205 is a wasteful number, since it uses less digits than its factorization.

12260205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272460 (or 272457 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12260205 is about 3501.4575536482. The cubic root of 12260205 is about 230.5858097640.

Adding to 12260205 its reverse (50206221), we get a palindrome (62466426).

The spelling of 12260205 in words is "twelve million, two hundred sixty thousand, two hundred five".