12604163 has 16 divisors (see below), whose sum is σ = 15590400. Its totient is φ = 10018080.

The previous prime is 12604159. The next prime is 12604181. The reversal of 12604163 is 36140621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12604163 - 2² = 12604159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12604363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398 + ... + 5036.

It is an arithmetic number, because the mean of its divisors is an integer number (974400).

Almost surely, 2^12604163 is an apocalyptic number.

12604163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12604163 is a deficient number, since it is larger than the sum of its proper divisors (2986237).

12604163 is a wasteful number, since it uses less digits than its factorization.

12604163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682.

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

The square root of 12604163 is about 3550.2342176256. The cubic root of 12604163 is about 232.7223017376.

Adding to 12604163 its reverse (36140621), we get a palindrome (48744784).

The spelling of 12604163 in words is "twelve million, six hundred four thousand, one hundred sixty-three".