12195013 has 2 divisors, whose sum is σ = 12195014. Its totient is φ = 12195012.

The previous prime is 12195011. The next prime is 12195023. The reversal of 12195013 is 31059121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9628609 + 2566404 = 3103^2 + 1602^2 .

It is an emirp because it is prime and its reverse (31059121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12195013 - 2¹ = 12195011 is a prime.

Together with 12195011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12195011) 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 as a sum of consecutive naturals, namely, 6097506 + 6097507.

It is an arithmetic number, because the mean of its divisors is an integer number (6097507).

Almost surely, 2^12195013 is an apocalyptic number.

It is an amenable number.

12195013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12195013 is an equidigital number, since it uses as much as digits as its factorization.

12195013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 12195013 is about 3492.1358793724. The cubic root of 12195013 is about 230.1763801427.

The spelling of 12195013 in words is "twelve million, one hundred ninety-five thousand, thirteen".