12005043 has 16 divisors (see below), whose sum is σ = 17534880. Its totient is φ = 7271936.

The previous prime is 12005023. The next prime is 12005047. The reversal of 12005043 is 34050021.

It is a cyclic number.

It is not a de Polignac number, because 12005043 - 2¹³ = 11996851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12005047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2580 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (1095930).

Almost surely, 2^12005043 is an apocalyptic number.

12005043 is a deficient number, since it is larger than the sum of its proper divisors (5529837).

12005043 is a wasteful number, since it uses less digits than its factorization.

12005043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8166.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 12005043 is about 3464.8294330313. The cubic root of 12005043 is about 228.9749150965.

Adding to 12005043 its reverse (34050021), we get a palindrome (46055064).

It can be divided in two parts, 1200 and 5043, that multiplied together give a square (6051600 = 2460²).

The spelling of 12005043 in words is "twelve million, five thousand, forty-three".