12730456 has 32 divisors (see below), whose sum is σ = 25556400. Its totient is φ = 5927040.

The previous prime is 12730453. The next prime is 12730483. The reversal of 12730456 is 65403721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12730453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8586 + ... + 9958.

Almost surely, 2^12730456 is an apocalyptic number.

It is an amenable number.

12730456 is an abundant number, since it is smaller than the sum of its proper divisors (12825944).

12730456 is a wasteful number, since it uses less digits than its factorization.

12730456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 12730456 is about 3567.9764573214. The cubic root of 12730456 is about 233.4970080639.

The spelling of 12730456 in words is "twelve million, seven hundred thirty thousand, four hundred fifty-six".