12143134 has 32 divisors (see below), whose sum is σ = 20466432. Its totient is φ = 5376000.

The previous prime is 12143119. The next prime is 12143137. The reversal of 12143134 is 43134121.

12143134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43074 + ... + 43354.

It is an arithmetic number, because the mean of its divisors is an integer number (639576).

Almost surely, 2^12143134 is an apocalyptic number.

12143134 is a deficient number, since it is larger than the sum of its proper divisors (8323298).

12143134 is a wasteful number, since it uses less digits than its factorization.

12143134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372.

The product of its digits is 288, while the sum is 19.

The square root of 12143134 is about 3484.6999870864. The cubic root of 12143134 is about 229.8495171916.

Adding to 12143134 its reverse (43134121), we get a palindrome (55277255).

The spelling of 12143134 in words is "twelve million, one hundred forty-three thousand, one hundred thirty-four".