12578607936 has 140 divisors (see below), whose sum is σ = 37382378880. Its totient is φ = 4182140160.

The previous prime is 12578607913. The next prime is 12578607953. The reversal of 12578607936 is 63970687521.

12578607936 is a `hidden beast` number, since 1 + 2 + 578 + 60 + 7 + 9 + 3 + 6 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2169201 + ... + 2174991.

It is an arithmetic number, because the mean of its divisors is an integer number (267016992).

Almost surely, 2^12578607936 is an apocalyptic number.

12578607936 is a gapful number since it is divisible by the number (16) 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 12578607936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18691189440).

12578607936 is an abundant number, since it is smaller than the sum of its proper divisors (24803770944).

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

12578607936 is an equidigital number, since it uses as much as digits as its factorization.

12578607936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234 (or 6215 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 12578607936 in words is "twelve billion, five hundred seventy-eight million, six hundred seven thousand, nine hundred thirty-six".