12043213 has 16 divisors (see below), whose sum is σ = 14999040. Its totient is φ = 9415296.

The previous prime is 12043211. The next prime is 12043219. The reversal of 12043213 is 31234021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12043213 - 2¹ = 12043211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043211) 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, 7356 + ... + 8842.

It is an arithmetic number, because the mean of its divisors is an integer number (937440).

Almost surely, 2^12043213 is an apocalyptic number.

12043213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12043213 is a deficient number, since it is larger than the sum of its proper divisors (2955827).

12043213 is a wasteful number, since it uses less digits than its factorization.

12043213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12043213 is about 3470.3332692985. Note that the first 3 decimals coincide. The cubic root of 12043213 is about 229.2173333849.

Adding to 12043213 its reverse (31234021), we get a palindrome (43277234).

The spelling of 12043213 in words is "twelve million, forty-three thousand, two hundred thirteen".