12267943 has 4 divisors (see below), whose sum is σ = 12553288. Its totient is φ = 11982600.

The previous prime is 12267923. The next prime is 12267953. The reversal of 12267943 is 34976221.

12267943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12267943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12267899 and 12267908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12267923) 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, 142608 + ... + 142693.

It is an arithmetic number, because the mean of its divisors is an integer number (3138322).

Almost surely, 2^12267943 is an apocalyptic number.

12267943 is a deficient number, since it is larger than the sum of its proper divisors (285345).

12267943 is an equidigital number, since it uses as much as digits as its factorization.

12267943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285344.

The product of its digits is 18144, while the sum is 34.

The square root of 12267943 is about 3502.5623477677. The cubic root of 12267943 is about 230.6343107949.

The spelling of 12267943 in words is "twelve million, two hundred sixty-seven thousand, nine hundred forty-three".