12345604 has 12 divisors (see below), whose sum is σ = 22875804. Its totient is φ = 5809664.

The previous prime is 12345581. The next prime is 12345623. The reversal of 12345604 is 40654321.

It can be written as a sum of positive squares in 2 ways, for example, as 7851204 + 4494400 = 2802^2 + 2120^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90709 + ... + 90844.

It is an arithmetic number, because the mean of its divisors is an integer number (1906317).

Almost surely, 2^12345604 is an apocalyptic number.

It is an amenable number.

12345604 is a deficient number, since it is larger than the sum of its proper divisors (10530200).

12345604 is a wasteful number, since it uses less digits than its factorization.

12345604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181574 (or 181572 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 12345604 is about 3513.6311701714. The cubic root of 12345604 is about 231.1199566867.

Adding to 12345604 its reverse (40654321), we get a palindrome (52999925).

The spelling of 12345604 in words is "twelve million, three hundred forty-five thousand, six hundred four".