12004432013 has 16 divisors (see below), whose sum is σ = 13907927040. Its totient is φ = 10148497776.

The previous prime is 12004431979. The next prime is 12004432031. The reversal of 12004432013 is 31023440021.

It is a cyclic number.

It is not a de Polignac number, because 12004432013 - 2¹⁰ = 12004430989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004432093) 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, 335648 + ... + 369686.

It is an arithmetic number, because the mean of its divisors is an integer number (869245440).

Almost surely, 2^12004432013 is an apocalyptic number.

It is an amenable number.

12004432013 is a deficient number, since it is larger than the sum of its proper divisors (1903495027).

12004432013 is an equidigital number, since it uses as much as digits as its factorization.

12004432013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34736.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12004432013 its reverse (31023440021), we get a palindrome (43027872034).

The spelling of 12004432013 in words is "twelve billion, four million, four hundred thirty-two thousand, thirteen".