12730512 has 40 divisors (see below), whose sum is σ = 33026656. Its totient is φ = 4225536.

The previous prime is 12730511. The next prime is 12730519. The reversal of 12730512 is 21503721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12730511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15783 + ... + 16569.

Almost surely, 2^12730512 is an apocalyptic number.

12730512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12730512 is an abundant number, since it is smaller than the sum of its proper divisors (20296144).

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

12730512 is a wasteful number, since it uses less digits than its factorization.

12730512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12730512 is about 3567.9843048982. The cubic root of 12730512 is about 233.4973504400.

The spelling of 12730512 in words is "twelve million, seven hundred thirty thousand, five hundred twelve".