12887900 has 18 divisors (see below), whose sum is σ = 27966960. Its totient is φ = 5155120.

The previous prime is 12887893. The next prime is 12887923. The reversal of 12887900 is 978821.

It is a happy number.

12887900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64340 + ... + 64539.

It is an arithmetic number, because the mean of its divisors is an integer number (1553720).

Almost surely, 2^12887900 is an apocalyptic number.

12887900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12887900 is an abundant number, since it is smaller than the sum of its proper divisors (15079060).

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

12887900 is a wasteful number, since it uses less digits than its factorization.

12887900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128893 (or 128886 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 12887900 is about 3589.9721447387. The cubic root of 12887900 is about 234.4556587571.

The spelling of 12887900 in words is "twelve million, eight hundred eighty-seven thousand, nine hundred".