12887700 has 216 divisors, whose sum is σ = 47621952. Its totient is φ = 2626560.

The previous prime is 12887657. The next prime is 12887713. The reversal of 12887700 is 778821.

It is a super-2 number, since 2×12887700² = 332185622580000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 678291 + ... + 678309.

It is an arithmetic number, because the mean of its divisors is an integer number (220472).

Almost surely, 2^12887700 is an apocalyptic number.

12887700 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 12887700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23810976).

12887700 is an abundant number, since it is smaller than the sum of its proper divisors (34734252).

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

12887700 is a wasteful number, since it uses less digits than its factorization.

12887700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 12887700 is about 3589.9442892613. The cubic root of 12887700 is about 234.4544459561.

The spelling of 12887700 in words is "twelve million, eight hundred eighty-seven thousand, seven hundred".