12703782740 has 96 divisors (see below), whose sum is σ = 30621024000. Its totient is φ = 4418494080.

The previous prime is 12703782737. The next prime is 12703782757. The reversal of 12703782740 is 4728730721.

It is a super-2 number, since 2×12703782740² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 601886 + ... + 622634.

It is an arithmetic number, because the mean of its divisors is an integer number (318969000).

Almost surely, 2^12703782740 is an apocalyptic number.

12703782740 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 12703782740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15310512000).

12703782740 is an abundant number, since it is smaller than the sum of its proper divisors (17917241260).

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

12703782740 is a wasteful number, since it uses less digits than its factorization.

12703782740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20814 (or 20790 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 41.

The spelling of 12703782740 in words is "twelve billion, seven hundred three million, seven hundred eighty-two thousand, seven hundred forty".