12843134 has 4 divisors (see below), whose sum is σ = 19264704. Its totient is φ = 6421566.

The previous prime is 12843133. The next prime is 12843137. The reversal of 12843134 is 43134821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43134821 = 23 ⋅1875427.

It is a super-4 number, since 4×12843134⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12843133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3210782 + ... + 3210785.

It is an arithmetic number, because the mean of its divisors is an integer number (4816176).

Almost surely, 2^12843134 is an apocalyptic number.

12843134 is a deficient number, since it is larger than the sum of its proper divisors (6421570).

12843134 is an equidigital number, since it uses as much as digits as its factorization.

12843134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421569.

The product of its digits is 2304, while the sum is 26.

The square root of 12843134 is about 3583.7318538083. The cubic root of 12843134 is about 234.1838839995.

Adding to 12843134 its reverse (43134821), we get a palindrome (55977955).

The spelling of 12843134 in words is "twelve million, eight hundred forty-three thousand, one hundred thirty-four".