12671737 has 4 divisors (see below), whose sum is σ = 13646500. Its totient is φ = 11696976.

The previous prime is 12671719. The next prime is 12671741. The reversal of 12671737 is 73717621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3767481 + 8904256 = 1941^2 + 2984^2 .

It is a cyclic number.

It is not a de Polignac number, because 12671737 - 2⁷ = 12671609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12671437) 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 3 ways as a sum of consecutive naturals, for example, 487362 + ... + 487387.

It is an arithmetic number, because the mean of its divisors is an integer number (3411625).

Almost surely, 2^12671737 is an apocalyptic number.

It is an amenable number.

12671737 is a deficient number, since it is larger than the sum of its proper divisors (974763).

12671737 is an equidigital number, since it uses as much as digits as its factorization.

12671737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974762.

The product of its digits is 12348, while the sum is 34.

The square root of 12671737 is about 3559.7383330801. The cubic root of 12671737 is about 233.1374544303.

The spelling of 12671737 in words is "twelve million, six hundred seventy-one thousand, seven hundred thirty-seven".