12983498640 has 480 divisors, whose sum is σ = 52901435520. Its totient is φ = 2917555200.

The previous prime is 12983498617. The next prime is 12983498651. The reversal of 12983498640 is 4689438921.

12983498640 is a `hidden beast` number, since 1 + 2 + 98 + 3 + 498 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6455235 + ... + 6457245.

It is an arithmetic number, because the mean of its divisors is an integer number (110211324).

Almost surely, 2^12983498640 is an apocalyptic number.

12983498640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12983498640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26450717760).

12983498640 is an abundant number, since it is smaller than the sum of its proper divisors (39917936880).

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

12983498640 is a wasteful number, since it uses less digits than its factorization.

12983498640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108 (or 2089 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 12983498640 in words is "twelve billion, nine hundred eighty-three million, four hundred ninety-eight thousand, six hundred forty".