12438048676 has 9 divisors (see below), whose sum is σ = 21766975531. Its totient is φ = 6218912812.

The previous prime is 12438048673. The next prime is 12438048719. The reversal of 12438048676 is 67684083421.

The square root of 12438048676 is 111526.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12438048673) 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 2 ways as a sum of consecutive naturals, for example, 195171 + ... + 250933.

Almost surely, 2^12438048676 is an apocalyptic number.

12438048676 is the 111526-th square number.

It is an amenable number.

12438048676 is a deficient number, since it is larger than the sum of its proper divisors (9328926855).

12438048676 is an frugal number, since it uses more digits than its factorization.

12438048676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111530 (or 55765 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

Multiplying 12438048676 by its sum of digits (49), we get a square (609464385124 = 780682²).

It can be divided in two parts, 124380 and 48676, that added together give a square (173056 = 416²).

The spelling of 12438048676 in words is "twelve billion, four hundred thirty-eight million, forty-eight thousand, six hundred seventy-six".