12459703986 has 96 divisors (see below), whose sum is σ = 29802427200. Its totient is φ = 3890177280.

The previous prime is 12459703973. The next prime is 12459703987. The reversal of 12459703986 is 68930795421.

12459703986 is a `hidden beast` number, since 1 + 245 + 9 + 7 + 0 + 398 + 6 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (12459703987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 814246 + ... + 829406.

It is an arithmetic number, because the mean of its divisors is an integer number (310441950).

It is a 1-persistent number, because it is pandigital, but 2⋅12459703986 = 24919407972 is not.

Almost surely, 2^12459703986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12459703986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14901213600).

12459703986 is an abundant number, since it is smaller than the sum of its proper divisors (17342723214).

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

12459703986 is a wasteful number, since it uses less digits than its factorization.

12459703986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15286 (or 15274 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 12459703986 in words is "twelve billion, four hundred fifty-nine million, seven hundred three thousand, nine hundred eighty-six".