12200385 has 16 divisors (see below), whose sum is σ = 19566720. Its totient is φ = 6491520.

The previous prime is 12200371. The next prime is 12200399. The reversal of 12200385 is 58300221.

It is an interprime number because it is at equal distance from previous prime (12200371) and next prime (12200399).

It is not a de Polignac number, because 12200385 - 2⁸ = 12200129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8821 + ... + 10109.

It is an arithmetic number, because the mean of its divisors is an integer number (1222920).

Almost surely, 2^12200385 is an apocalyptic number.

12200385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12200385 is a deficient number, since it is larger than the sum of its proper divisors (7366335).

12200385 is a wasteful number, since it uses less digits than its factorization.

12200385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12200385 is about 3492.9049514695. The cubic root of 12200385 is about 230.2101733551.

The spelling of 12200385 in words is "twelve million, two hundred thousand, three hundred eighty-five".