12000756 has 24 divisors (see below), whose sum is σ = 29219904. Its totient is φ = 3826240.

The previous prime is 12000739. The next prime is 12000757. The reversal of 12000756 is 65700021.

12000756 is a modest number, since divided by 756 gives 12 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21465 + ... + 22016.

It is an arithmetic number, because the mean of its divisors is an integer number (1217496).

Almost surely, 2^12000756 is an apocalyptic number.

It is an amenable number.

12000756 is an abundant number, since it is smaller than the sum of its proper divisors (17219148).

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

12000756 is a wasteful number, since it uses less digits than its factorization.

12000756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43511 (or 43509 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12000756 is about 3464.2107326201. The cubic root of 12000756 is about 228.9476562095.

Adding to 12000756 its reverse (65700021), we get a palindrome (77700777).

The spelling of 12000756 in words is "twelve million, seven hundred fifty-six", and thus it is an aban number.