12249472439 has 8 divisors (see below), whose sum is σ = 12343660560. Its totient is φ = 12155371200.

The previous prime is 12249472373. The next prime is 12249472441. The reversal of 12249472439 is 93427494221.

12249472439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12249472439 - 2²⁸ = 11981036983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12249472393 and 12249472402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12249472639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277019 + ... + 318179.

It is an arithmetic number, because the mean of its divisors is an integer number (1542957570).

Almost surely, 2^12249472439 is an apocalyptic number.

12249472439 is a deficient number, since it is larger than the sum of its proper divisors (94188121).

12249472439 is a wasteful number, since it uses less digits than its factorization.

12249472439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43441.

The product of its digits is 870912, while the sum is 47.

The spelling of 12249472439 in words is "twelve billion, two hundred forty-nine million, four hundred seventy-two thousand, four hundred thirty-nine".