12448447385 has 16 divisors (see below), whose sum is σ = 16298433792. Its totient is φ = 9052147200.

The previous prime is 12448447321. The next prime is 12448447393. The reversal of 12448447385 is 58374484421.

It is a happy number.

It is not a de Polignac number, because 12448447385 - 2⁶ = 12448447321 is a prime.

It is a super-2 number, since 2×12448447385² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585257 + ... + 606153.

It is an arithmetic number, because the mean of its divisors is an integer number (1018652112).

Almost surely, 2^12448447385 is an apocalyptic number.

It is an amenable number.

12448447385 is a deficient number, since it is larger than the sum of its proper divisors (3849986407).

12448447385 is a wasteful number, since it uses less digits than its factorization.

12448447385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31744.

The product of its digits is 3440640, while the sum is 50.

The spelling of 12448447385 in words is "twelve billion, four hundred forty-eight million, four hundred forty-seven thousand, three hundred eighty-five".