12246161 has 4 divisors (see below), whose sum is σ = 12328500. Its totient is φ = 12163824.

The previous prime is 12246131. The next prime is 12246163. The reversal of 12246161 is 16164221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2907025 + 9339136 = 1705^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 12246161 - 2¹⁸ = 11984017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12246163) 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 3 ways as a sum of consecutive naturals, for example, 40946 + ... + 41243.

It is an arithmetic number, because the mean of its divisors is an integer number (3082125).

Almost surely, 2^12246161 is an apocalyptic number.

It is an amenable number.

12246161 is a deficient number, since it is larger than the sum of its proper divisors (82339).

12246161 is an equidigital number, since it uses as much as digits as its factorization.

12246161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82338.

The product of its digits is 576, while the sum is 23.

The square root of 12246161 is about 3499.4515284541. The cubic root of 12246161 is about 230.4977311823.

The spelling of 12246161 in words is "twelve million, two hundred forty-six thousand, one hundred sixty-one".