12703728890 has 64 divisors (see below), whose sum is σ = 25539494400. Its totient is φ = 4521378816.

The previous prime is 12703728883. The next prime is 12703728899. The reversal of 12703728890 is 9882730721.

It is a super-2 number, since 2×12703728890² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12703728899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1640207 + ... + 1647933.

It is an arithmetic number, because the mean of its divisors is an integer number (399054600).

Almost surely, 2^12703728890 is an apocalyptic number.

12703728890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12703728890 is an abundant number, since it is smaller than the sum of its proper divisors (12835765510).

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

12703728890 is a wasteful number, since it uses less digits than its factorization.

12703728890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 12703728890 in words is "twelve billion, seven hundred three million, seven hundred twenty-eight thousand, eight hundred ninety".