12305416 has 16 divisors (see below), whose sum is σ = 24430140. Its totient is φ = 5790720.

The previous prime is 12305413. The next prime is 12305431. The reversal of 12305416 is 61450321.

It can be written as a sum of positive squares in 2 ways, for example, as 12180100 + 125316 = 3490^2 + 354^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12305413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45105 + ... + 45376.

Almost surely, 2^12305416 is an apocalyptic number.

It is an amenable number.

12305416 is a deficient number, since it is larger than the sum of its proper divisors (12124724).

12305416 is a wasteful number, since it uses less digits than its factorization.

12305416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90504 (or 90500 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12305416 is about 3507.9076384648. The cubic root of 12305416 is about 230.8688998300.

Adding to 12305416 its reverse (61450321), we get a palindrome (73755737).

It can be divided in two parts, 12305 and 416, that added together give a palindrome (12721).

The spelling of 12305416 in words is "twelve million, three hundred five thousand, four hundred sixteen".