12447340576 has 48 divisors (see below), whose sum is σ = 27110075328. Its totient is φ = 5578182400.

The previous prime is 12447340561. The next prime is 12447340579. The reversal of 12447340576 is 67504374421.

It is not an unprimeable number, because it can be changed into a prime (12447340579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224035 + ... + 274018.

It is an arithmetic number, because the mean of its divisors is an integer number (564793236).

Almost surely, 2^12447340576 is an apocalyptic number.

12447340576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12447340576 is an abundant number, since it is smaller than the sum of its proper divisors (14662734752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12447340576 is a wasteful number, since it uses less digits than its factorization.

12447340576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498145 (or 498137 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 12447340576 in words is "twelve billion, four hundred forty-seven million, three hundred forty thousand, five hundred seventy-six".