12432744406 has 8 divisors (see below), whose sum is σ = 18658994760. Its totient is φ = 6213079488.

The previous prime is 12432744377. The next prime is 12432744407. The reversal of 12432744406 is 60444723421.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432744407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641636 + ... + 1649191.

It is an arithmetic number, because the mean of its divisors is an integer number (2332374345).

Almost surely, 2^12432744406 is an apocalyptic number.

12432744406 is a deficient number, since it is larger than the sum of its proper divisors (6226250354).

12432744406 is a wasteful number, since it uses less digits than its factorization.

12432744406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292718.

The product of its (nonzero) digits is 129024, while the sum is 37.

It can be divided in two parts, 1243 and 2744406, that added together give a square (2745649 = 1657²).

The spelling of 12432744406 in words is "twelve billion, four hundred thirty-two million, seven hundred forty-four thousand, four hundred six".