12266844 has 12 divisors (see below), whose sum is σ = 28622664. Its totient is φ = 4088944.

The previous prime is 12266833. The next prime is 12266861. The reversal of 12266844 is 44866221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511107 + ... + 511130.

It is an arithmetic number, because the mean of its divisors is an integer number (2385222).

Almost surely, 2^12266844 is an apocalyptic number.

It is an amenable number.

12266844 is an abundant number, since it is smaller than the sum of its proper divisors (16355820).

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

12266844 is a wasteful number, since it uses less digits than its factorization.

12266844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022244 (or 1022242 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 12266844 is about 3502.4054591095. The cubic root of 12266844 is about 230.6274236127.

It can be divided in two parts, 122 and 66844, that added together give a palindrome (66966).

The spelling of 12266844 in words is "twelve million, two hundred sixty-six thousand, eight hundred forty-four".