12734947 has 2 divisors, whose sum is σ = 12734948. Its totient is φ = 12734946.

The previous prime is 12734941. The next prime is 12734957. The reversal of 12734947 is 74943721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12734947 - 2¹⁹ = 12210659 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12734941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6367473 + 6367474.

It is an arithmetic number, because the mean of its divisors is an integer number (6367474).

Almost surely, 2^12734947 is an apocalyptic number.

12734947 is the 1908-th centered heptagonal number.

12734947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12734947 is an equidigital number, since it uses as much as digits as its factorization.

12734947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 12734947 is about 3568.6057501495. The cubic root of 12734947 is about 233.5244622199.

The spelling of 12734947 in words is "twelve million, seven hundred thirty-four thousand, nine hundred forty-seven".