12940267 has 4 divisors (see below), whose sum is σ = 12947616. Its totient is φ = 12932920.

The previous prime is 12940253. The next prime is 12940289. The reversal of 12940267 is 76204921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12940267 - 2⁷ = 12940139 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12949267) 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, 717 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (3236904).

Almost surely, 2^12940267 is an apocalyptic number.

12940267 is a deficient number, since it is larger than the sum of its proper divisors (7349).

12940267 is an equidigital number, since it uses as much as digits as its factorization.

12940267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 12940267 is about 3597.2582615097. The cubic root of 12940267 is about 234.7727817347.

The spelling of 12940267 in words is "twelve million, nine hundred forty thousand, two hundred sixty-seven".