12687177000 has 64 divisors (see below), whose sum is σ = 39584001600. Its totient is φ = 3383246400.

The previous prime is 12687176989. The next prime is 12687177001. The reversal of 12687177000 is 77178621.

It is a self number, because there is not a number n which added to its sum of digits gives 12687177000.

It is not an unprimeable number, because it can be changed into a prime (12687177001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2111530 + ... + 2117529.

It is an arithmetic number, because the mean of its divisors is an integer number (618500025).

Almost surely, 2^12687177000 is an apocalyptic number.

12687177000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12687177000 is an abundant number, since it is smaller than the sum of its proper divisors (26896824600).

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

12687177000 is a wasteful number, since it uses less digits than its factorization.

12687177000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229083 (or 4229069 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 39.

The spelling of 12687177000 in words is "twelve billion, six hundred eighty-seven million, one hundred seventy-seven thousand".