12043134 has 32 divisors (see below), whose sum is σ = 27095040. Its totient is φ = 3964536.

The previous prime is 12043117. The next prime is 12043151. The reversal of 12043134 is 43134021.

It is an interprime number because it is at equal distance from previous prime (12043117) and next prime (12043151).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 3139 + ... + 5825.

It is an arithmetic number, because the mean of its divisors is an integer number (846720).

Almost surely, 2^12043134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12043134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13547520).

12043134 is an abundant number, since it is smaller than the sum of its proper divisors (15051906).

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

12043134 is a wasteful number, since it uses less digits than its factorization.

12043134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781 (or 2775 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12043134 is about 3470.3218870877. The cubic root of 12043134 is about 229.2168321840.

Adding to 12043134 its reverse (43134021), we get a palindrome (55177155).

The spelling of 12043134 in words is "twelve million, forty-three thousand, one hundred thirty-four".