12115304 has 8 divisors (see below), whose sum is σ = 22716210. Its totient is φ = 6057648.

The previous prime is 12115297. The next prime is 12115309. The reversal of 12115304 is 40351121.

It can be written as a sum of positive squares in only one way, i.e., 11628100 + 487204 = 3410^2 + 698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12115309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757199 + ... + 757214.

Almost surely, 2^12115304 is an apocalyptic number.

It is an amenable number.

12115304 is a deficient number, since it is larger than the sum of its proper divisors (10600906).

12115304 is a wasteful number, since it uses less digits than its factorization.

12115304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514419 (or 1514415 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12115304 is about 3480.7045263854. The cubic root of 12115304 is about 229.6737908643.

Adding to 12115304 its reverse (40351121), we get a palindrome (52466425).

The spelling of 12115304 in words is "twelve million, one hundred fifteen thousand, three hundred four".