12956195 has 16 divisors (see below), whose sum is σ = 18704640. Its totient is φ = 8416224.

The previous prime is 12956191. The next prime is 12956249. The reversal of 12956195 is 59165921.

It is a cyclic number.

It is not a de Polignac number, because 12956195 - 2² = 12956191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12956191) 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 15 ways as a sum of consecutive naturals, for example, 9077 + ... + 10406.

It is an arithmetic number, because the mean of its divisors is an integer number (1169040).

Almost surely, 2^12956195 is an apocalyptic number.

12956195 is a deficient number, since it is larger than the sum of its proper divisors (5748445).

12956195 is a wasteful number, since it uses less digits than its factorization.

12956195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19514.

The product of its digits is 24300, while the sum is 38.

The square root of 12956195 is about 3599.4714889828. The cubic root of 12956195 is about 234.8690684556.

The spelling of 12956195 in words is "twelve million, nine hundred fifty-six thousand, one hundred ninety-five".