12026271 has 16 divisors (see below), whose sum is σ = 16725600. Its totient is φ = 7676928.

The previous prime is 12026269. The next prime is 12026291. The reversal of 12026271 is 17262021.

12026271 = 71² + 72² + ... + 331².

It is not a de Polignac number, because 12026271 - 2¹ = 12026269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12026291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11415 + ... + 12423.

It is an arithmetic number, because the mean of its divisors is an integer number (1045350).

Almost surely, 2^12026271 is an apocalyptic number.

12026271 is a deficient number, since it is larger than the sum of its proper divisors (4699329).

12026271 is a wasteful number, since it uses less digits than its factorization.

12026271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12026271 is about 3467.8914342868. The cubic root of 12026271 is about 229.1097977823.

Adding to 12026271 its reverse (17262021), we get a palindrome (29288292).

The spelling of 12026271 in words is "twelve million, twenty-six thousand, two hundred seventy-one".