12087304 has 8 divisors (see below), whose sum is σ = 22663710. Its totient is φ = 6043648.

The previous prime is 12087281. The next prime is 12087311. The reversal of 12087304 is 40378021.

It can be written as a sum of positive squares in only one way, i.e., 9622404 + 2464900 = 3102^2 + 1570^2 .

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

It is a super-2 number, since 2×12087304² = 292205835976832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 755449 + ... + 755464.

Almost surely, 2^12087304 is an apocalyptic number.

It is an amenable number.

12087304 is a deficient number, since it is larger than the sum of its proper divisors (10576406).

12087304 is a wasteful number, since it uses less digits than its factorization.

12087304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510919 (or 1510915 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12087304 is about 3476.6800255416. The cubic root of 12087304 is about 229.4967193219.

The spelling of 12087304 in words is "twelve million, eighty-seven thousand, three hundred four".