12276012 has 48 divisors (see below), whose sum is σ = 33304320. Its totient is φ = 3446592.

The previous prime is 12276007. The next prime is 12276049. The reversal of 12276012 is 21067221.

12276012 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12276012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3718 + ... + 6194.

It is an arithmetic number, because the mean of its divisors is an integer number (693840).

Almost surely, 2^12276012 is an apocalyptic number.

12276012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12276012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16652160).

12276012 is an abundant number, since it is smaller than the sum of its proper divisors (21028308).

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

12276012 is a wasteful number, since it uses less digits than its factorization.

12276012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12276012 is about 3503.7140294265. The cubic root of 12276012 is about 230.6848647847.

The spelling of 12276012 in words is "twelve million, two hundred seventy-six thousand, twelve".