12081304 has 8 divisors (see below), whose sum is σ = 22652460. Its totient is φ = 6040648.

The previous prime is 12081299. The next prime is 12081319. The reversal of 12081304 is 40318021.

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

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 755074 + ... + 755089.

Almost surely, 2^12081304 is an apocalyptic number.

It is an amenable number.

12081304 is a deficient number, since it is larger than the sum of its proper divisors (10571156).

12081304 is a wasteful number, since it uses less digits than its factorization.

12081304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510169 (or 1510165 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 12081304 is about 3475.8170262544. The cubic root of 12081304 is about 229.4587398514.

Adding to 12081304 its reverse (40318021), we get a palindrome (52399325).

The spelling of 12081304 in words is "twelve million, eighty-one thousand, three hundred four".