12426271 has 16 divisors (see below), whose sum is σ = 14747040. Its totient is φ = 10321920.

The previous prime is 12426259. The next prime is 12426277. The reversal of 12426271 is 17262421.

It is a cyclic number.

It is not a de Polignac number, because 12426271 - 2⁷ = 12426143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426277) 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, 15775 + ... + 16543.

It is an arithmetic number, because the mean of its divisors is an integer number (921690).

Almost surely, 2^12426271 is an apocalyptic number.

12426271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12426271 is a deficient number, since it is larger than the sum of its proper divisors (2320769).

12426271 is a wasteful number, since it uses less digits than its factorization.

12426271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its digits is 1344, while the sum is 25.

The square root of 12426271 is about 3525.0916300147. The cubic root of 12426271 is about 231.6222486712.

Adding to 12426271 its reverse (17262421), we get a palindrome (29688692).

The spelling of 12426271 in words is "twelve million, four hundred twenty-six thousand, two hundred seventy-one".