12104245 has 4 divisors (see below), whose sum is σ = 14525100. Its totient is φ = 9683392.

The previous prime is 12104237. The next prime is 12104249. The reversal of 12104245 is 54240121.

12104245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8328996 + 3775249 = 2886^2 + 1943^2 .

It is a cyclic number.

It is not a de Polignac number, because 12104245 - 2³ = 12104237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210420 + ... + 1210429.

It is an arithmetic number, because the mean of its divisors is an integer number (3631275).

Almost surely, 2^12104245 is an apocalyptic number.

It is an amenable number.

12104245 is a deficient number, since it is larger than the sum of its proper divisors (2420855).

12104245 is an equidigital number, since it uses as much as digits as its factorization.

12104245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420854.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 12104245 is about 3479.1155485267. The cubic root of 12104245 is about 229.6038865602.

Adding to 12104245 its reverse (54240121), we get a palindrome (66344366).

The spelling of 12104245 in words is "twelve million, one hundred four thousand, two hundred forty-five".