12230571 has 4 divisors (see below), whose sum is σ = 16307432. Its totient is φ = 8153712.

The previous prime is 12230567. The next prime is 12230597. The reversal of 12230571 is 17503221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17503221 = 3 ⋅5834407.

It is not a de Polignac number, because 12230571 - 2² = 12230567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12230521) 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, 2038426 + ... + 2038431.

It is an arithmetic number, because the mean of its divisors is an integer number (4076858).

Almost surely, 2^12230571 is an apocalyptic number.

12230571 is a deficient number, since it is larger than the sum of its proper divisors (4076861).

12230571 is an equidigital number, since it uses as much as digits as its factorization.

12230571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076860.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12230571 is about 3497.2233271554. The cubic root of 12230571 is about 230.3998777789.

Adding to 12230571 its reverse (17503221), we get a palindrome (29733792).

The spelling of 12230571 in words is "twelve million, two hundred thirty thousand, five hundred seventy-one".