12390185 has 8 divisors (see below), whose sum is σ = 15650880. Its totient is φ = 9390384.

The previous prime is 12390151. The next prime is 12390197. The reversal of 12390185 is 58109321.

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 12390185 - 2⁶ = 12390121 is a prime.

It is an unprimeable number.

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, 65117 + ... + 65306.

It is an arithmetic number, because the mean of its divisors is an integer number (1956360).

Almost surely, 2^12390185 is an apocalyptic number.

It is an amenable number.

12390185 is a deficient number, since it is larger than the sum of its proper divisors (3260695).

12390185 is a wasteful number, since it uses less digits than its factorization.

12390185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130447.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 12390185 is about 3519.9694600948. The cubic root of 12390185 is about 231.3978202694.

The spelling of 12390185 in words is "twelve million, three hundred ninety thousand, one hundred eighty-five".