12537467280 has 320 divisors, whose sum is σ = 46996158720. Its totient is φ = 3053666304.

The previous prime is 12537467231. The next prime is 12537467287. The reversal of 12537467280 is 8276473521.

12537467280 is a `hidden beast` number, since 1 + 2 + 537 + 46 + 72 + 8 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (12537467287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2721459 + ... + 2726061.

It is an arithmetic number, because the mean of its divisors is an integer number (146862996).

Almost surely, 2^12537467280 is an apocalyptic number.

12537467280 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 12537467280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23498079360).

12537467280 is an abundant number, since it is smaller than the sum of its proper divisors (34458691440).

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

12537467280 is a wasteful number, since it uses less digits than its factorization.

12537467280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735 (or 4723 counting only the distinct ones).

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

The spelling of 12537467280 in words is "twelve billion, five hundred thirty-seven million, four hundred sixty-seven thousand, two hundred eighty".