12134844 has 72 divisors (see below), whose sum is σ = 32781840. Its totient is φ = 3773952.

The previous prime is 12134831. The next prime is 12134867. The reversal of 12134844 is 44843121.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 77214 + ... + 77370.

Almost surely, 2^12134844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12134844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16390920).

12134844 is an abundant number, since it is smaller than the sum of its proper divisors (20646996).

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

12134844 is a wasteful number, since it uses less digits than its factorization.

12134844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 294 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 12134844 is about 3483.5102985351. The cubic root of 12134844 is about 229.7971999377.

Adding to 12134844 its reverse (44843121), we get a palindrome (56977965).

It can be divided in two parts, 121 and 34844, that multiplied together give a palindrome (4216124).

The spelling of 12134844 in words is "twelve million, one hundred thirty-four thousand, eight hundred forty-four".