12043534 has 8 divisors (see below), whose sum is σ = 18136368. Its totient is φ = 5998080.

The previous prime is 12043529. The next prime is 12043541. The reversal of 12043534 is 43534021.

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

It is a super-2 number, since 2×12043534² = 290093422418312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 11202 + ... + 12229.

It is an arithmetic number, because the mean of its divisors is an integer number (2267046).

Almost surely, 2^12043534 is an apocalyptic number.

12043534 is a deficient number, since it is larger than the sum of its proper divisors (6092834).

12043534 is a wasteful number, since it uses less digits than its factorization.

12043534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23690.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 12043534 is about 3470.3795181507. The cubic root of 12043534 is about 229.2193698877.

Adding to 12043534 its reverse (43534021), we get a palindrome (55577555).

The spelling of 12043534 in words is "twelve million, forty-three thousand, five hundred thirty-four".