12730956 has 48 divisors (see below), whose sum is σ = 35051520. Its totient is φ = 3519360.

The previous prime is 12730933. The next prime is 12730957. The reversal of 12730956 is 65903721.

It is not an unprimeable number, because it can be changed into a prime (12730957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160 + ... + 5048.

It is an arithmetic number, because the mean of its divisors is an integer number (730240).

Almost surely, 2^12730956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12730956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17525760).

12730956 is an abundant number, since it is smaller than the sum of its proper divisors (22320564).

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

12730956 is a wasteful number, since it uses less digits than its factorization.

12730956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934 (or 4932 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 12730956 is about 3568.0465243604. The cubic root of 12730956 is about 233.5000649582.

The spelling of 12730956 in words is "twelve million, seven hundred thirty thousand, nine hundred fifty-six".