12271026 has 16 divisors (see below), whose sum is σ = 24581664. Its totient is φ = 4083744.

The previous prime is 12271019. The next prime is 12271027. The reversal of 12271026 is 62017221.

It is a junction number, because it is equal to n+sod(n) for n = 12270993 and 12271011.

It is not an unprimeable number, because it can be changed into a prime (12271027) 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, 3726 + ... + 6198.

It is an arithmetic number, because the mean of its divisors is an integer number (1536354).

Almost surely, 2^12271026 is an apocalyptic number.

12271026 is an abundant number, since it is smaller than the sum of its proper divisors (12310638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12271026 is a wasteful number, since it uses less digits than its factorization.

12271026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305.

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

The square root of 12271026 is about 3503.0024264907. The cubic root of 12271026 is about 230.6536290573.

Adding to 12271026 its reverse (62017221), we get a palindrome (74288247).

The spelling of 12271026 in words is "twelve million, two hundred seventy-one thousand, twenty-six".