12104666 has 12 divisors (see below), whose sum is σ = 21121578. Its totient is φ = 5187672.

The previous prime is 12104639. The next prime is 12104669. The reversal of 12104666 is 66640121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12103441 + 1225 = 3479^2 + 35^2 .

It is not an unprimeable number, because it can be changed into a prime (12104669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61661 + ... + 61856.

Almost surely, 2^12104666 is an apocalyptic number.

12104666 is a deficient number, since it is larger than the sum of its proper divisors (9016912).

12104666 is a wasteful number, since it uses less digits than its factorization.

12104666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123533 (or 123526 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12104666 is about 3479.1760518835. The cubic root of 12104666 is about 229.6065484946.

Adding to 12104666 its reverse (66640121), we get a palindrome (78744787).

The spelling of 12104666 in words is "twelve million, one hundred four thousand, six hundred sixty-six".