12195541 has 8 divisors (see below), whose sum is σ = 12455424. Its totient is φ = 11938080.

The previous prime is 12195529. The next prime is 12195553. The reversal of 12195541 is 14559121.

It is an interprime number because it is at equal distance from previous prime (12195529) and next prime (12195553).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12195541 - 2⁷ = 12195413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12195641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12321 + ... + 13273.

It is an arithmetic number, because the mean of its divisors is an integer number (1556928).

Almost surely, 2^12195541 is an apocalyptic number.

It is an amenable number.

12195541 is a deficient number, since it is larger than the sum of its proper divisors (259883).

12195541 is an equidigital number, since it uses as much as digits as its factorization.

12195541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211.

The product of its digits is 1800, while the sum is 28.

The square root of 12195541 is about 3492.2114769870. The cubic root of 12195541 is about 230.1797020299.

The spelling of 12195541 in words is "twelve million, one hundred ninety-five thousand, five hundred forty-one".