12923647 has 18 divisors (see below), whose sum is σ = 14827904. Its totient is φ = 11254320.

The previous prime is 12923627. The next prime is 12923671. The reversal of 12923647 is 74632921.

It is not a de Polignac number, because 12923647 - 2¹¹ = 12921599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12923627) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 101698 + ... + 101824.

Almost surely, 2^12923647 is an apocalyptic number.

12923647 is a deficient number, since it is larger than the sum of its proper divisors (1904257).

12923647 is a wasteful number, since it uses less digits than its factorization.

12923647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 167 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 12923647 is about 3594.9474265975. The cubic root of 12923647 is about 234.6722275158.

The spelling of 12923647 in words is "twelve million, nine hundred twenty-three thousand, six hundred forty-seven".