12645104 has 20 divisors (see below), whose sum is σ = 24740976. Its totient is φ = 6260352.

The previous prime is 12645103. The next prime is 12645107. The reversal of 12645104 is 40154621.

It is a self number, because there is not a number n which added to its sum of digits gives 12645104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189 + ... + 5484.

Almost surely, 2^12645104 is an apocalyptic number.

It is an amenable number.

12645104 is a deficient number, since it is larger than the sum of its proper divisors (12095872).

12645104 is a wasteful number, since it uses less digits than its factorization.

12645104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784 (or 7778 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12645104 is about 3555.9955005596. The cubic root of 12645104 is about 232.9740065681.

Adding to 12645104 its reverse (40154621), we get a palindrome (52799725).

The spelling of 12645104 in words is "twelve million, six hundred forty-five thousand, one hundred four".