12195529 has 2 divisors, whose sum is σ = 12195530. Its totient is φ = 12195528.

The previous prime is 12195527. The next prime is 12195553. The reversal of 12195529 is 92559121.

12195529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7551504 + 4644025 = 2748^2 + 2155^2 .

It is a cyclic number.

It is not a de Polignac number, because 12195529 - 2¹ = 12195527 is a prime.

Together with 12195527, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12195494 and 12195503.

It is not a weakly prime, because it can be changed into another prime (12195527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6097764 + 6097765.

It is an arithmetic number, because the mean of its divisors is an integer number (6097765).

Almost surely, 2^12195529 is an apocalyptic number.

It is an amenable number.

12195529 is a deficient number, since it is larger than the sum of its proper divisors (1).

12195529 is an equidigital number, since it uses as much as digits as its factorization.

12195529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 34.

The square root of 12195529 is about 3492.2097588776. The cubic root of 12195529 is about 230.1796265336.

The spelling of 12195529 in words is "twelve million, one hundred ninety-five thousand, five hundred twenty-nine".