12199985 has 8 divisors (see below), whose sum is σ = 16731456. Its totient is φ = 8365680.

The previous prime is 12199969. The next prime is 12199991. The reversal of 12199985 is 58999121.

It is a happy number.

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

It is not a de Polignac number, because 12199985 - 2⁴ = 12199969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174251 + ... + 174320.

It is an arithmetic number, because the mean of its divisors is an integer number (2091432).

Almost surely, 2^12199985 is an apocalyptic number.

It is an amenable number.

12199985 is a deficient number, since it is larger than the sum of its proper divisors (4531471).

12199985 is an equidigital number, since it uses as much as digits as its factorization.

12199985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348583.

The product of its digits is 58320, while the sum is 44.

The square root of 12199985 is about 3492.8476920702. The cubic root of 12199985 is about 230.2076574488.

The spelling of 12199985 in words is "twelve million, one hundred ninety-nine thousand, nine hundred eighty-five".