12546973 has 4 divisors (see below), whose sum is σ = 13207360. Its totient is φ = 11886588.

The previous prime is 12546949. The next prime is 12546977. The reversal of 12546973 is 37964521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37964521 = 7 ⋅5423503.

It is a cyclic number.

It is not a de Polignac number, because 12546973 - 2⁹ = 12546461 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 (12546977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330165 + ... + 330202.

It is an arithmetic number, because the mean of its divisors is an integer number (3301840).

Almost surely, 2^12546973 is an apocalyptic number.

It is an amenable number.

12546973 is a deficient number, since it is larger than the sum of its proper divisors (660387).

12546973 is an equidigital number, since it uses as much as digits as its factorization.

12546973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660386.

The product of its digits is 45360, while the sum is 37.

The square root of 12546973 is about 3542.1706621788. The cubic root of 12546973 is about 232.3697841000.

The spelling of 12546973 in words is "twelve million, five hundred forty-six thousand, nine hundred seventy-three".