12984986833 has 24 divisors (see below), whose sum is σ = 16513796544. Its totient is φ = 9942354720.

The previous prime is 12984986831. The next prime is 12984986849. The reversal of 12984986833 is 33868948921.

It is not a de Polignac number, because 12984986833 - 2¹ = 12984986831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12984986831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13210 + ... + 161692.

It is an arithmetic number, because the mean of its divisors is an integer number (688074856).

Almost surely, 2^12984986833 is an apocalyptic number.

12984986833 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12984986833 is a deficient number, since it is larger than the sum of its proper divisors (3528809711).

12984986833 is a wasteful number, since it uses less digits than its factorization.

12984986833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148565 (or 148534 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 61.

The spelling of 12984986833 in words is "twelve billion, nine hundred eighty-four million, nine hundred eighty-six thousand, eight hundred thirty-three".