12267882 has 64 divisors (see below), whose sum is σ = 31334400. Its totient is φ = 3518640.

The previous prime is 12267859. The next prime is 12267883. The reversal of 12267882 is 28876221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12267883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10743 + ... + 11829.

It is an arithmetic number, because the mean of its divisors is an integer number (489600).

Almost surely, 2^12267882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12267882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15667200).

12267882 is an abundant number, since it is smaller than the sum of its proper divisors (19066518).

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

12267882 is a wasteful number, since it uses less digits than its factorization.

12267882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 1122 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 12267882 is about 3502.5536398462. The cubic root of 12267882 is about 230.6339285326.

It can be divided in two parts, 122678 and 82, that added together give a triangular number (122760 = T₄₉₅).

The spelling of 12267882 in words is "twelve million, two hundred sixty-seven thousand, eight hundred eighty-two".