12711680 has 36 divisors (see below), whose sum is σ = 30451512. Its totient is φ = 5084160.

The previous prime is 12711649. The next prime is 12711697. The reversal of 12711680 is 8611721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686 + ... + 6245.

Almost surely, 2^12711680 is an apocalyptic number.

12711680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12711680 is an abundant number, since it is smaller than the sum of its proper divisors (17739832).

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

12711680 is an frugal number, since it uses more digits than its factorization.

12711680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9952 (or 9938 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 12711680 is about 3565.3443031494. The cubic root of 12711680 is about 233.3821575834.

The spelling of 12711680 in words is "twelve million, seven hundred eleven thousand, six hundred eighty".