12715680 has 96 divisors (see below), whose sum is σ = 40824000. Its totient is φ = 3325952.

The previous prime is 12715667. The next prime is 12715691. The reversal of 12715680 is 8651721.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28096 + ... + 28544.

It is an arithmetic number, because the mean of its divisors is an integer number (425250).

Almost surely, 2^12715680 is an apocalyptic number.

12715680 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 12715680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20412000).

12715680 is an abundant number, since it is smaller than the sum of its proper divisors (28108320).

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

12715680 is a wasteful number, since it uses less digits than its factorization.

12715680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 12715680 is about 3565.9052146685. The cubic root of 12715680 is about 233.4066345665.

The spelling of 12715680 in words is "twelve million, seven hundred fifteen thousand, six hundred eighty".