12839059530 has 72 divisors (see below), whose sum is σ = 36692153316. Its totient is φ = 3112496640.

The previous prime is 12839059529. The next prime is 12839059543. The reversal of 12839059530 is 3595093821.

12839059530 is a `hidden beast` number, since 1 + 28 + 3 + 9 + 0 + 595 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12419096481 + 419963049 = 111441^2 + 20493^2 .

It is a super-2 number, since 2×12839059530² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 578599 + ... + 600378.

Almost surely, 2^12839059530 is an apocalyptic number.

12839059530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12839059530 is an abundant number, since it is smaller than the sum of its proper divisors (23853093786).

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

12839059530 is a wasteful number, since it uses less digits than its factorization.

12839059530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179012 (or 1178998 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 12839059530 in words is "twelve billion, eight hundred thirty-nine million, fifty-nine thousand, five hundred thirty".