12273443 has 8 divisors (see below), whose sum is σ = 15105888. Its totient is φ = 9710784.

The previous prime is 12273433. The next prime is 12273451. The reversal of 12273443 is 34437221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12273443 - 2⁶ = 12273379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12273403) 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 7 ways as a sum of consecutive naturals, for example, 67346 + ... + 67527.

It is an arithmetic number, because the mean of its divisors is an integer number (1888236).

Almost surely, 2^12273443 is an apocalyptic number.

12273443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12273443 is a deficient number, since it is larger than the sum of its proper divisors (2832445).

12273443 is a wasteful number, since it uses less digits than its factorization.

12273443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134893.

The product of its digits is 4032, while the sum is 26.

The square root of 12273443 is about 3503.3473992740. The cubic root of 12273443 is about 230.6687718613.

The spelling of 12273443 in words is "twelve million, two hundred seventy-three thousand, four hundred forty-three".