12273743 has 4 divisors (see below), whose sum is σ = 12807408. Its totient is φ = 11740080.

The previous prime is 12273689. The next prime is 12273761. The reversal of 12273743 is 34737221.

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 12273743 - 2¹⁰ = 12272719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12273773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266798 + ... + 266843.

It is an arithmetic number, because the mean of its divisors is an integer number (3201852).

Almost surely, 2^12273743 is an apocalyptic number.

12273743 is a deficient number, since it is larger than the sum of its proper divisors (533665).

12273743 is an equidigital number, since it uses as much as digits as its factorization.

12273743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533664.

The product of its digits is 7056, while the sum is 29.

The square root of 12273743 is about 3503.3902152058. The cubic root of 12273743 is about 230.6706512597.

The spelling of 12273743 in words is "twelve million, two hundred seventy-three thousand, seven hundred forty-three".