12000276 has 18 divisors (see below), whose sum is σ = 30334122. Its totient is φ = 4000080.

The previous prime is 12000271. The next prime is 12000281. The reversal of 12000276 is 67200021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12000271) and next prime (12000281).

It can be written as a sum of positive squares in only one way, i.e., 10112400 + 1887876 = 3180^2 + 1374^2 .

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 (12000271) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 166635 + ... + 166706.

It is an arithmetic number, because the mean of its divisors is an integer number (1685229).

Almost surely, 2^12000276 is an apocalyptic number.

It is an amenable number.

12000276 is an abundant number, since it is smaller than the sum of its proper divisors (18333846).

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

12000276 is a wasteful number, since it uses less digits than its factorization.

12000276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333351 (or 333346 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12000276 is about 3464.1414520773. The cubic root of 12000276 is about 228.9446037257.

Adding to 12000276 its reverse (67200021), we get a palindrome (79200297).

The spelling of 12000276 in words is "twelve million, two hundred seventy-six", and thus it is an aban number.