12730927 has 4 divisors (see below), whose sum is σ = 13888296. Its totient is φ = 11573560.

The previous prime is 12730889. The next prime is 12730933. The reversal of 12730927 is 72903721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12730927 - 2¹⁵ = 12698159 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 578668 + ... + 578689.

It is an arithmetic number, because the mean of its divisors is an integer number (3472074).

Almost surely, 2^12730927 is an apocalyptic number.

12730927 is a deficient number, since it is larger than the sum of its proper divisors (1157369).

12730927 is a wasteful number, since it uses less digits than its factorization.

12730927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157368.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 12730927 is about 3568.0424605097. The cubic root of 12730927 is about 233.4998876605.

It can be divided in two parts, 127309 and 27, that multiplied together give a palindrome (3437343).

The spelling of 12730927 in words is "twelve million, seven hundred thirty thousand, nine hundred twenty-seven".