12318004 has 12 divisors (see below), whose sum is σ = 22691200. Its totient is φ = 5834808.

The previous prime is 12317993. The next prime is 12318043. The reversal of 12318004 is 40081321.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

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, 80964 + ... + 81115.

Almost surely, 2^12318004 is an apocalyptic number.

It is an amenable number.

12318004 is a deficient number, since it is larger than the sum of its proper divisors (10373196).

12318004 is a wasteful number, since it uses less digits than its factorization.

12318004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162102 (or 162100 counting only the distinct ones).

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

The square root of 12318004 is about 3509.7014118013. The cubic root of 12318004 is about 230.9475965411.

Adding to 12318004 its reverse (40081321), we get a palindrome (52399325).

The spelling of 12318004 in words is "twelve million, three hundred eighteen thousand, four".