12743671 has 4 divisors (see below), whose sum is σ = 12756744. Its totient is φ = 12730600.

The previous prime is 12743663. The next prime is 12743677. The reversal of 12743671 is 17634721.

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

It is a cyclic number.

It is not a de Polignac number, because 12743671 - 2³ = 12743663 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 (12743677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4945 + ... + 7066.

It is an arithmetic number, because the mean of its divisors is an integer number (3189186).

Almost surely, 2^12743671 is an apocalyptic number.

12743671 is a deficient number, since it is larger than the sum of its proper divisors (13073).

12743671 is a wasteful number, since it uses less digits than its factorization.

12743671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13072.

The product of its digits is 7056, while the sum is 31.

The square root of 12743671 is about 3569.8278669986. The cubic root of 12743671 is about 233.5777748977.

The spelling of 12743671 in words is "twelve million, seven hundred forty-three thousand, six hundred seventy-one".