12731134 has 8 divisors (see below), whose sum is σ = 20565720. Its totient is φ = 5875896.

The previous prime is 12731129. The next prime is 12731161. The reversal of 12731134 is 43113721.

12731134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244804 + ... + 244855.

It is an arithmetic number, because the mean of its divisors is an integer number (2570715).

Almost surely, 2^12731134 is an apocalyptic number.

12731134 is a deficient number, since it is larger than the sum of its proper divisors (7834586).

12731134 is a wasteful number, since it uses less digits than its factorization.

12731134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489674.

The product of its digits is 504, while the sum is 22.

The square root of 12731134 is about 3568.0714678941. The cubic root of 12731134 is about 233.5011531932.

Adding to 12731134 its reverse (43113721), we get a palindrome (55844855).

The spelling of 12731134 in words is "twelve million, seven hundred thirty-one thousand, one hundred thirty-four".