12508693000 has 64 divisors (see below), whose sum is σ = 29291886000. Its totient is φ = 4999795200.

The previous prime is 12508692961. The next prime is 12508693019. The reversal of 12508693000 is 39680521.

It can be written as a sum of positive squares in 8 ways, for example, as 896044356 + 11612648644 = 29934^2 + 107762^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1653226 + ... + 1660774.

Almost surely, 2^12508693000 is an apocalyptic number.

12508693000 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 12508693000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14645943000).

12508693000 is an abundant number, since it is smaller than the sum of its proper divisors (16783193000).

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

12508693000 is a wasteful number, since it uses less digits than its factorization.

12508693000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9227 (or 9213 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 12508693000 in words is "twelve billion, five hundred eight million, six hundred ninety-three thousand".