12385216 has 28 divisors (see below), whose sum is σ = 24688800. Its totient is φ = 6164480.

The previous prime is 12385187. The next prime is 12385249. The reversal of 12385216 is 61258321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27360 + ... + 27808.

Almost surely, 2^12385216 is an apocalyptic number.

12385216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12385216 is a deficient number, since it is larger than the sum of its proper divisors (12303584).

12385216 is an equidigital number, since it uses as much as digits as its factorization.

12385216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 882 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 12385216 is about 3519.2635593260. The cubic root of 12385216 is about 231.3668826224.

The spelling of 12385216 in words is "twelve million, three hundred eighty-five thousand, two hundred sixteen".