12206245 has 8 divisors (see below), whose sum is σ = 15152760. Its totient is φ = 9428160.

The previous prime is 12206209. The next prime is 12206269. The reversal of 12206245 is 54260221.

12206245 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 4 ways, for example, as 5013121 + 7193124 = 2239^2 + 2682^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12206245 - 2¹¹ = 12204197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41946 + ... + 42235.

It is an arithmetic number, because the mean of its divisors is an integer number (1894095).

Almost surely, 2^12206245 is an apocalyptic number.

It is an amenable number.

12206245 is a deficient number, since it is larger than the sum of its proper divisors (2946515).

12206245 is an equidigital number, since it uses as much as digits as its factorization.

12206245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84215.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12206245 is about 3493.7436940909. The cubic root of 12206245 is about 230.2470250798.

Adding to 12206245 its reverse (54260221), we get a palindrome (66466466).

The spelling of 12206245 in words is "twelve million, two hundred six thousand, two hundred forty-five".