12025271 has 6 divisors (see below), whose sum is σ = 12691872. Its totient is φ = 11392020.

The previous prime is 12025267. The next prime is 12025283. The reversal of 12025271 is 17252021.

It is not a de Polignac number, because 12025271 - 2² = 12025267 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 (12025231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16295 + ... + 17016.

It is an arithmetic number, because the mean of its divisors is an integer number (2115312).

Almost surely, 2^12025271 is an apocalyptic number.

12025271 is a deficient number, since it is larger than the sum of its proper divisors (666601).

12025271 is an equidigital number, since it uses as much as digits as its factorization.

12025271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33349 (or 33330 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12025271 is about 3467.7472514588. The cubic root of 12025271 is about 229.1034473476.

Adding to 12025271 its reverse (17252021), we get a palindrome (29277292).

The spelling of 12025271 in words is "twelve million, twenty-five thousand, two hundred seventy-one".