12726134 has 4 divisors (see below), whose sum is σ = 19089204. Its totient is φ = 6363066.

The previous prime is 12726127. The next prime is 12726167. The reversal of 12726134 is 43162721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43162721 = 7 ⋅6166103.

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 3181532 + ... + 3181535.

It is an arithmetic number, because the mean of its divisors is an integer number (4772301).

Almost surely, 2^12726134 is an apocalyptic number.

12726134 is a deficient number, since it is larger than the sum of its proper divisors (6363070).

12726134 is an equidigital number, since it uses as much as digits as its factorization.

12726134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363069.

The product of its digits is 2016, while the sum is 26.

The square root of 12726134 is about 3567.3707404754. The cubic root of 12726134 is about 233.4705809326.

Adding to 12726134 its reverse (43162721), we get a palindrome (55888855).

The spelling of 12726134 in words is "twelve million, seven hundred twenty-six thousand, one hundred thirty-four".