12730453456 has 80 divisors (see below), whose sum is σ = 28697468800. Its totient is φ = 5357975040.

The previous prime is 12730453441. The next prime is 12730453469. The reversal of 12730453456 is 65435403721.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2616466 + ... + 2621326.

It is an arithmetic number, because the mean of its divisors is an integer number (358718360).

Almost surely, 2^12730453456 is an apocalyptic number.

12730453456 is a gapful number since it is divisible by the number (16) 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 12730453456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14348734400).

12730453456 is an abundant number, since it is smaller than the sum of its proper divisors (15967015344).

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

12730453456 is a wasteful number, since it uses less digits than its factorization.

12730453456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292 (or 5286 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 12730453456 in words is "twelve billion, seven hundred thirty million, four hundred fifty-three thousand, four hundred fifty-six".