12730680 has 48 divisors (see below), whose sum is σ = 41375880. Its totient is φ = 3394752.

The previous prime is 12730673. The next prime is 12730687. The reversal of 12730680 is 8603721.

It is an interprime number because it is at equal distance from previous prime (12730673) and next prime (12730687).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12730687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17322 + ... + 18041.

Almost surely, 2^12730680 is an apocalyptic number.

12730680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12730680 is an abundant number, since it is smaller than the sum of its proper divisors (28645200).

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

12730680 is a wasteful number, since it uses less digits than its factorization.

12730680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35380 (or 35373 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12730680 is about 3568.0078475250. The cubic root of 12730680 is about 233.4983775624.

The spelling of 12730680 in words is "twelve million, seven hundred thirty thousand, six hundred eighty".