12104636 has 6 divisors (see below), whose sum is σ = 21183120. Its totient is φ = 6052316.

The previous prime is 12104597. The next prime is 12104639. The reversal of 12104636 is 63640121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1513076 + ... + 1513083.

It is an arithmetic number, because the mean of its divisors is an integer number (3530520).

Almost surely, 2^12104636 is an apocalyptic number.

It is an amenable number.

12104636 is a deficient number, since it is larger than the sum of its proper divisors (9078484).

12104636 is a wasteful number, since it uses less digits than its factorization.

12104636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026163 (or 3026161 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12104636 is about 3479.1717405153. The cubic root of 12104636 is about 229.6063588101.

Adding to 12104636 its reverse (63640121), we get a palindrome (75744757).

The spelling of 12104636 in words is "twelve million, one hundred four thousand, six hundred thirty-six".