12718673 has 12 divisors (see below), whose sum is σ = 14068740. Its totient is φ = 11489280.

The previous prime is 12718663. The next prime is 12718679. The reversal of 12718673 is 37681721.

It can be written as a sum of positive squares in 2 ways, for example, as 12159169 + 559504 = 3487^2 + 748^2 .

It is not a de Polignac number, because 12718673 - 2¹⁴ = 12702289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12718679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30893 + ... + 31301.

It is an arithmetic number, because the mean of its divisors is an integer number (1172395).

Almost surely, 2^12718673 is an apocalyptic number.

It is an amenable number.

12718673 is a deficient number, since it is larger than the sum of its proper divisors (1350067).

12718673 is a wasteful number, since it uses less digits than its factorization.

12718673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 677 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 12718673 is about 3566.3248590110. The cubic root of 12718673 is about 233.4249461119.

The spelling of 12718673 in words is "twelve million, seven hundred eighteen thousand, six hundred seventy-three".