12729004 has 12 divisors (see below), whose sum is σ = 22393728. Its totient is φ = 6330800.

The previous prime is 12728987. The next prime is 12729029. The reversal of 12729004 is 40092721.

It is a self number, because there is not a number n which added to its sum of digits gives 12729004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7567 + ... + 9094.

It is an arithmetic number, because the mean of its divisors is an integer number (1866144).

Almost surely, 2^12729004 is an apocalyptic number.

It is an amenable number.

12729004 is a deficient number, since it is larger than the sum of its proper divisors (9664724).

12729004 is a wasteful number, since it uses less digits than its factorization.

12729004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16856 (or 16854 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12729004 is about 3567.7729748402. The cubic root of 12729004 is about 233.4881303890.

The spelling of 12729004 in words is "twelve million, seven hundred twenty-nine thousand, four".