12774836480 has 144 divisors (see below), whose sum is σ = 35451986304. Its totient is φ = 4319723520.

The previous prime is 12774836423. The next prime is 12774836497. The reversal of 12774836480 is 8463847721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644315 + ... + 663845.

Almost surely, 2^12774836480 is an apocalyptic number.

12774836480 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 12774836480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17725993152).

12774836480 is an abundant number, since it is smaller than the sum of its proper divisors (22677149824).

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

12774836480 is an equidigital number, since it uses as much as digits as its factorization.

12774836480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19632 (or 19618 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 12774836480 in words is "twelve billion, seven hundred seventy-four million, eight hundred thirty-six thousand, four hundred eighty".