12734567280 has 200 divisors, whose sum is σ = 45171162432. Its totient is φ = 3323552256.

The previous prime is 12734567269. The next prime is 12734567299. The reversal of 12734567280 is 8276543721.

12734567280 is a `hidden beast` number, since 1 + 2 + 7 + 3 + 4 + 567 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 283654 + ... + 325466.

Almost surely, 2^12734567280 is an apocalyptic number.

12734567280 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 12734567280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22585581216).

12734567280 is an abundant number, since it is smaller than the sum of its proper divisors (32436595152).

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

12734567280 is a wasteful number, since it uses less digits than its factorization.

12734567280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41885 (or 41870 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 12734567280 in words is "twelve billion, seven hundred thirty-four million, five hundred sixty-seven thousand, two hundred eighty".