12847253416 has 8 divisors (see below), whose sum is σ = 24088600170. Its totient is φ = 6423626704.

The previous prime is 12847253411. The next prime is 12847253449. The reversal of 12847253416 is 61435274821.

It can be written as a sum of positive squares in only one way, i.e., 9783188100 + 3064065316 = 98910^2 + 55354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12847253411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802953331 + ... + 802953346.

Almost surely, 2^12847253416 is an apocalyptic number.

It is an amenable number.

12847253416 is a deficient number, since it is larger than the sum of its proper divisors (11241346754).

12847253416 is a wasteful number, since it uses less digits than its factorization.

12847253416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605906683 (or 1605906679 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The spelling of 12847253416 in words is "twelve billion, eight hundred forty-seven million, two hundred fifty-three thousand, four hundred sixteen".