12166099 has 8 divisors (see below), whose sum is σ = 13970880. Its totient is φ = 10477800.

The previous prime is 12166073. The next prime is 12166139. The reversal of 12166099 is 99066121.

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 12166099 - 2¹⁹ = 11641811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12166019) 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, 28897 + ... + 29314.

It is an arithmetic number, because the mean of its divisors is an integer number (1746360).

Almost surely, 2^12166099 is an apocalyptic number.

12166099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12166099 is a deficient number, since it is larger than the sum of its proper divisors (1804781).

12166099 is a wasteful number, since it uses less digits than its factorization.

12166099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58241.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 12166099 is about 3487.9935493060. The cubic root of 12166099 is about 229.9943224812.

It can be divided in two parts, 1216609 and 9, that multiplied together give a square (10949481 = 3309²).

The spelling of 12166099 in words is "twelve million, one hundred sixty-six thousand, ninety-nine".