12365216 has 12 divisors (see below), whose sum is σ = 24344082. Its totient is φ = 6182592.

The previous prime is 12365207. The next prime is 12365261. The reversal of 12365216 is 61256321.

12365216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7507600 + 4857616 = 2740^2 + 2204^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193175 + ... + 193238.

Almost surely, 2^12365216 is an apocalyptic number.

12365216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12365216 is a deficient number, since it is larger than the sum of its proper divisors (11978866).

12365216 is an equidigital number, since it uses as much as digits as its factorization.

12365216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386423 (or 386415 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 12365216 is about 3516.4209076844. The cubic root of 12365216 is about 231.2422762456.

The spelling of 12365216 in words is "twelve million, three hundred sixty-five thousand, two hundred sixteen".