12786595340 has 48 divisors (see below), whose sum is σ = 27462758400. Its totient is φ = 4998589632.

The previous prime is 12786595307. The next prime is 12786595363. The reversal of 12786595340 is 4359568721.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666401 + ... + 685319.

It is an arithmetic number, because the mean of its divisors is an integer number (572140800).

It is a 1-persistent number, because it is pandigital, but 2⋅12786595340 = 25573190680 is not.

Almost surely, 2^12786595340 is an apocalyptic number.

12786595340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12786595340 is an abundant number, since it is smaller than the sum of its proper divisors (14676163060).

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

12786595340 is a wasteful number, since it uses less digits than its factorization.

12786595340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19694 (or 19692 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 12786595340 in words is "twelve billion, seven hundred eighty-six million, five hundred ninety-five thousand, three hundred forty".