12734547 has 16 divisors (see below), whose sum is σ = 20547072. Its totient is φ = 6848640.

The previous prime is 12734539. The next prime is 12734551. The reversal of 12734547 is 74543721.

It is not a de Polignac number, because 12734547 - 2³ = 12734539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12734537) 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, 17479 + ... + 18192.

It is an arithmetic number, because the mean of its divisors is an integer number (1284192).

Almost surely, 2^12734547 is an apocalyptic number.

12734547 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12734547 is a deficient number, since it is larger than the sum of its proper divisors (7812525).

12734547 is a wasteful number, since it uses less digits than its factorization.

12734547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35698.

The product of its digits is 23520, while the sum is 33.

The square root of 12734547 is about 3568.5497054126. The cubic root of 12734547 is about 233.5220172218.

The spelling of 12734547 in words is "twelve million, seven hundred thirty-four thousand, five hundred forty-seven".