12930271 has 4 divisors (see below), whose sum is σ = 13107472. Its totient is φ = 12753072.

The previous prime is 12930257. The next prime is 12930287. The reversal of 12930271 is 17203921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17203921 = 7 ⋅2457703.

It is a cyclic number.

It is not a de Polignac number, because 12930271 - 2¹³ = 12922079 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 (12930221) 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, 88491 + ... + 88636.

It is an arithmetic number, because the mean of its divisors is an integer number (3276868).

Almost surely, 2^12930271 is an apocalyptic number.

12930271 is a deficient number, since it is larger than the sum of its proper divisors (177201).

12930271 is an equidigital number, since it uses as much as digits as its factorization.

12930271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177200.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12930271 is about 3595.8686016038. The cubic root of 12930271 is about 234.7123143254.

The spelling of 12930271 in words is "twelve million, nine hundred thirty thousand, two hundred seventy-one".