12743841 has 12 divisors (see below), whose sum is σ = 18677456. Its totient is φ = 7723320.

The previous prime is 12743837. The next prime is 12743879. The reversal of 12743841 is 14834721.

It is not a de Polignac number, because 12743841 - 2² = 12743837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12743799 and 12743808.

It is not an unprimeable number, because it can be changed into a prime (12743141) 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, 17191 + ... + 17916.

Almost surely, 2^12743841 is an apocalyptic number.

12743841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12743841 is a deficient number, since it is larger than the sum of its proper divisors (5933615).

12743841 is a wasteful number, since it uses less digits than its factorization.

12743841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35132 (or 35121 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 12743841 is about 3569.8516775911. The cubic root of 12743841 is about 233.5788135321.

It can be divided in two parts, 1274 and 3841, that added together give a palindrome (5115).

The spelling of 12743841 in words is "twelve million, seven hundred forty-three thousand, eight hundred forty-one".