12327516 has 36 divisors (see below), whose sum is σ = 32995872. Its totient is φ = 3867264.

The previous prime is 12327503. The next prime is 12327521. The reversal of 12327516 is 61572321.

12327516 = 231² + 232² + ... + 366².

It is a happy number.

12327516 is a `hidden beast` number, since 123 + 27 + 516 = 666.

12327516 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 (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12327516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9460 + ... + 10683.

It is an arithmetic number, because the mean of its divisors is an integer number (916552).

Almost surely, 2^12327516 is an apocalyptic number.

It is an amenable number.

12327516 is an abundant number, since it is smaller than the sum of its proper divisors (20668356).

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

12327516 is a wasteful number, since it uses less digits than its factorization.

12327516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20170 (or 20165 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 12327516 is about 3511.0562513295. The cubic root of 12327516 is about 231.0070273906.

Adding to 12327516 its reverse (61572321), we get a palindrome (73899837).

The spelling of 12327516 in words is "twelve million, three hundred twenty-seven thousand, five hundred sixteen".