12743813800 has 48 divisors (see below), whose sum is σ = 30430178460. Its totient is φ = 4959751680.

The previous prime is 12743813783. The next prime is 12743813813. The reversal of 12743813800 is 831834721.

It can be written as a sum of positive squares in 6 ways, for example, as 3026980324 + 9716833476 = 55018^2 + 98574^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 12743813800.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 853669 + ... + 868468.

Almost surely, 2^12743813800 is an apocalyptic number.

12743813800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12743813800 is an abundant number, since it is smaller than the sum of its proper divisors (17686364660).

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

12743813800 is a wasteful number, since it uses less digits than its factorization.

12743813800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722190 (or 1722181 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 12743813800 in words is "twelve billion, seven hundred forty-three million, eight hundred thirteen thousand, eight hundred".