12791743 has 4 divisors (see below), whose sum is σ = 12911400. Its totient is φ = 12672088.

The previous prime is 12791687. The next prime is 12791773. The reversal of 12791743 is 34719721.

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 12791743 - 2⁹ = 12791231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12791699 and 12791708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12791773) 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, 59668 + ... + 59881.

It is an arithmetic number, because the mean of its divisors is an integer number (3227850).

Almost surely, 2^12791743 is an apocalyptic number.

12791743 is a deficient number, since it is larger than the sum of its proper divisors (119657).

12791743 is a wasteful number, since it uses less digits than its factorization.

12791743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119656.

The product of its digits is 10584, while the sum is 34.

The square root of 12791743 is about 3576.5546270119. The cubic root of 12791743 is about 233.8711090407.

The spelling of 12791743 in words is "twelve million, seven hundred ninety-one thousand, seven hundred forty-three".