12306516 has 12 divisors (see below), whose sum is σ = 28715232. Its totient is φ = 4102168.

The previous prime is 12306499. The next prime is 12306517. The reversal of 12306516 is 61560321.

12306516 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12306517) 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, 512760 + ... + 512783.

It is an arithmetic number, because the mean of its divisors is an integer number (2392936).

Almost surely, 2^12306516 is an apocalyptic number.

It is an amenable number.

12306516 is an abundant number, since it is smaller than the sum of its proper divisors (16408716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12306516 is a wasteful number, since it uses less digits than its factorization.

12306516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025550 (or 1025548 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12306516 is about 3508.0644235818. The cubic root of 12306516 is about 230.8757788667.

Adding to 12306516 its reverse (61560321), we get a palindrome (73866837).

The spelling of 12306516 in words is "twelve million, three hundred six thousand, five hundred sixteen".