12800163 has 4 divisors (see below), whose sum is σ = 17066888. Its totient is φ = 8533440.

The previous prime is 12800153. The next prime is 12800171. The reversal of 12800163 is 36100821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36100821 = 3 ⋅12033607.

It is not a de Polignac number, because 12800163 - 2⁴ = 12800147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12800153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2133358 + ... + 2133363.

It is an arithmetic number, because the mean of its divisors is an integer number (4266722).

Almost surely, 2^12800163 is an apocalyptic number.

12800163 is a deficient number, since it is larger than the sum of its proper divisors (4266725).

12800163 is an equidigital number, since it uses as much as digits as its factorization.

12800163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266724.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12800163 is about 3577.7315438697. The cubic root of 12800163 is about 233.9224120005.

Adding to 12800163 its reverse (36100821), we get a palindrome (48900984).

The spelling of 12800163 in words is "twelve million, eight hundred thousand, one hundred sixty-three".