12971273 has 8 divisors (see below), whose sum is σ = 15104448. Its totient is φ = 10908144.

The previous prime is 12971263. The next prime is 12971279. The reversal of 12971273 is 37217921.

12971273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12971273 - 2¹⁰ = 12970249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12971279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17111 + ... + 17852.

It is an arithmetic number, because the mean of its divisors is an integer number (1888056).

Almost surely, 2^12971273 is an apocalyptic number.

It is an amenable number.

12971273 is a deficient number, since it is larger than the sum of its proper divisors (2133175).

12971273 is an equidigital number, since it uses as much as digits as its factorization.

12971273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35023.

The product of its digits is 5292, while the sum is 32.

The square root of 12971273 is about 3601.5653541203. The cubic root of 12971273 is about 234.9601441387.

The spelling of 12971273 in words is "twelve million, nine hundred seventy-one thousand, two hundred seventy-three".