12241205 has 4 divisors (see below), whose sum is σ = 14689452. Its totient is φ = 9792960.

The previous prime is 12241183. The next prime is 12241213. The reversal of 12241205 is 50214221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50214221 = 23 ⋅2183227.

It can be written as a sum of positive squares in 2 ways, for example, as 8994001 + 3247204 = 2999^2 + 1802^2 .

It is not a de Polignac number, because 12241205 - 2¹⁸ = 11979061 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224116 + ... + 1224125.

It is an arithmetic number, because the mean of its divisors is an integer number (3672363).

Almost surely, 2^12241205 is an apocalyptic number.

It is an amenable number.

12241205 is a deficient number, since it is larger than the sum of its proper divisors (2448247).

12241205 is an equidigital number, since it uses as much as digits as its factorization.

12241205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448246.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12241205 is about 3498.7433458315. The cubic root of 12241205 is about 230.4666329768.

Adding to 12241205 its reverse (50214221), we get a palindrome (62455426).

The spelling of 12241205 in words is "twelve million, two hundred forty-one thousand, two hundred five".