12767243 has 4 divisors (see below), whose sum is σ = 12831600. Its totient is φ = 12702888.

The previous prime is 12767233. The next prime is 12767263. The reversal of 12767243 is 34276721.

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 12767243 - 2⁶ = 12767179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12767203) 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, 31880 + ... + 32277.

It is an arithmetic number, because the mean of its divisors is an integer number (3207900).

Almost surely, 2^12767243 is an apocalyptic number.

12767243 is a deficient number, since it is larger than the sum of its proper divisors (64357).

12767243 is an equidigital number, since it uses as much as digits as its factorization.

12767243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64356.

The product of its digits is 14112, while the sum is 32.

The square root of 12767243 is about 3573.1279014331. The cubic root of 12767243 is about 233.7217026570.

The spelling of 12767243 in words is "twelve million, seven hundred sixty-seven thousand, two hundred forty-three".