12734047 has 8 divisors (see below), whose sum is σ = 13589360. Its totient is φ = 11897280.

The previous prime is 12734027. The next prime is 12734069. The reversal of 12734047 is 74043721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12734047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12734017) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3204 + ... + 5977.

It is an arithmetic number, because the mean of its divisors is an integer number (1698670).

Almost surely, 2^12734047 is an apocalyptic number.

12734047 is a deficient number, since it is larger than the sum of its proper divisors (855313).

12734047 is an equidigital number, since it uses as much as digits as its factorization.

12734047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9273.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 12734047 is about 3568.4796482536. The cubic root of 12734047 is about 233.5189609022.

Adding to 12734047 its reverse (74043721), we get a palindrome (86777768).

The spelling of 12734047 in words is "twelve million, seven hundred thirty-four thousand, forty-seven".