12918004 has 24 divisors (see below), whose sum is σ = 24853248. Its totient is φ = 5826240.

The previous prime is 12917999. The next prime is 12918013. The reversal of 12918004 is 40081921.

It is a happy number.

12918004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12918004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4957 + ... + 7099.

It is an arithmetic number, because the mean of its divisors is an integer number (1035552).

Almost surely, 2^12918004 is an apocalyptic number.

It is an amenable number.

12918004 is a deficient number, since it is larger than the sum of its proper divisors (11935244).

12918004 is a wasteful number, since it uses less digits than its factorization.

12918004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12918004 is about 3594.1624893708. The cubic root of 12918004 is about 234.6380666692.

Adding to 12918004 its reverse (40081921), we get a palindrome (52999925).

The spelling of 12918004 in words is "twelve million, nine hundred eighteen thousand, four".