12263971 has 4 divisors (see below), whose sum is σ = 12274344. Its totient is φ = 12253600.

The previous prime is 12263969. The next prime is 12263981. The reversal of 12263971 is 17936221.

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 12263971 - 2¹ = 12263969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12263921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3145 + ... + 5866.

It is an arithmetic number, because the mean of its divisors is an integer number (3068586).

Almost surely, 2^12263971 is an apocalyptic number.

12263971 is a deficient number, since it is larger than the sum of its proper divisors (10373).

12263971 is an equidigital number, since it uses as much as digits as its factorization.

12263971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10372.

The product of its digits is 4536, while the sum is 31.

The square root of 12263971 is about 3501.9952884035. The cubic root of 12263971 is about 230.6094172338.

The spelling of 12263971 in words is "twelve million, two hundred sixty-three thousand, nine hundred seventy-one".