12800195 has 4 divisors (see below), whose sum is σ = 15360240. Its totient is φ = 10240152.

The previous prime is 12800191. The next prime is 12800209. The reversal of 12800195 is 59100821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12800195 - 2² = 12800191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12800191) 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, 1280015 + ... + 1280024.

It is an arithmetic number, because the mean of its divisors is an integer number (3840060).

Almost surely, 2^12800195 is an apocalyptic number.

12800195 is a deficient number, since it is larger than the sum of its proper divisors (2560045).

12800195 is an equidigital number, since it uses as much as digits as its factorization.

12800195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560044.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 12800195 is about 3577.7360159743. The cubic root of 12800195 is about 233.9226069332.

The spelling of 12800195 in words is "twelve million, eight hundred thousand, one hundred ninety-five".