12166449 has 8 divisors (see below), whose sum is σ = 16497120. Its totient is φ = 7973376.

The previous prime is 12166447. The next prime is 12166459. The reversal of 12166449 is 94466121.

12166449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12166449 - 2¹ = 12166447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12166447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34192 + ... + 34545.

It is an arithmetic number, because the mean of its divisors is an integer number (2062140).

Almost surely, 2^12166449 is an apocalyptic number.

It is an amenable number.

12166449 is a deficient number, since it is larger than the sum of its proper divisors (4330671).

12166449 is an equidigital number, since it uses as much as digits as its factorization.

12166449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68799.

The product of its digits is 10368, while the sum is 33.

The square root of 12166449 is about 3488.0437210563. The cubic root of 12166449 is about 229.9965279879.

The spelling of 12166449 in words is "twelve million, one hundred sixty-six thousand, four hundred forty-nine".