12056004 has 18 divisors (see below), whose sum is σ = 30474990. Its totient is φ = 4018656.

The previous prime is 12056003. The next prime is 12056027. The reversal of 12056004 is 40065021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9622404 + 2433600 = 3102^2 + 1560^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167409 + ... + 167480.

It is an arithmetic number, because the mean of its divisors is an integer number (1693055).

Almost surely, 2^12056004 is an apocalyptic number.

It is an amenable number.

12056004 is an abundant number, since it is smaller than the sum of its proper divisors (18418986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12056004 is a wasteful number, since it uses less digits than its factorization.

12056004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334899 (or 334894 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12056004 is about 3472.1756867993. The cubic root of 12056004 is about 229.2984546365.

It can be divided in two parts, 1205600 and 4, that added together give a square (1205604 = 1098²).

The spelling of 12056004 in words is "twelve million, fifty-six thousand, four".