12712743 has 6 divisors (see below), whose sum is σ = 18362864. Its totient is φ = 8475156.

The previous prime is 12712741. The next prime is 12712751. The reversal of 12712743 is 34721721.

It is a happy number.

It is not a de Polignac number, because 12712743 - 2¹ = 12712741 is a prime.

It is a super-2 number, since 2×12712743² = 323227669168098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12712741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706255 + ... + 706272.

Almost surely, 2^12712743 is an apocalyptic number.

12712743 is a deficient number, since it is larger than the sum of its proper divisors (5650121).

12712743 is a wasteful number, since it uses less digits than its factorization.

12712743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412533 (or 1412530 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 12712743 is about 3565.4933739947. The cubic root of 12712743 is about 233.3886628426.

The spelling of 12712743 in words is "twelve million, seven hundred twelve thousand, seven hundred forty-three".