12016904 has 16 divisors (see below), whose sum is σ = 23309100. Its totient is φ = 5801152.

The previous prime is 12016891. The next prime is 12016931. The reversal of 12016904 is 40961021.

It is a happy number.

12016904 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 2 ways, for example, as 11764900 + 252004 = 3430^2 + 502^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12016904.

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, 25667 + ... + 26130.

Almost surely, 2^12016904 is an apocalyptic number.

It is an amenable number.

12016904 is a deficient number, since it is larger than the sum of its proper divisors (11292196).

12016904 is a wasteful number, since it uses less digits than its factorization.

12016904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51832 (or 51828 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12016904 is about 3466.5406387348. The cubic root of 12016904 is about 229.0502994587.

Adding to 12016904 its reverse (40961021), we get a palindrome (52977925).

The spelling of 12016904 in words is "twelve million, sixteen thousand, nine hundred four".