12773587530 has 64 divisors (see below), whose sum is σ = 33518448000. Its totient is φ = 3089694720.

The previous prime is 12773587529. The next prime is 12773587549. The reversal of 12773587530 is 3578537721.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12773587530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105066 + ... + 191274.

It is an arithmetic number, because the mean of its divisors is an integer number (523725750).

Almost surely, 2^12773587530 is an apocalyptic number.

12773587530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12773587530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16759224000).

12773587530 is an abundant number, since it is smaller than the sum of its proper divisors (20744860470).

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

12773587530 is a wasteful number, since it uses less digits than its factorization.

12773587530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86679.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 12773587530 in words is "twelve billion, seven hundred seventy-three million, five hundred eighty-seven thousand, five hundred thirty".