12242571 has 16 divisors (see below), whose sum is σ = 17875200. Its totient is φ = 7391520.

The previous prime is 12242563. The next prime is 12242579. The reversal of 12242571 is 17524221.

It is an interprime number because it is at equal distance from previous prime (12242563) and next prime (12242579).

It is not a de Polignac number, because 12242571 - 2³ = 12242563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12242579) 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, 10986 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (1117200).

Almost surely, 2^12242571 is an apocalyptic number.

12242571 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12242571 is a deficient number, since it is larger than the sum of its proper divisors (5632629).

12242571 is a wasteful number, since it uses less digits than its factorization.

12242571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its digits is 1120, while the sum is 24.

The square root of 12242571 is about 3498.9385533330. The cubic root of 12242571 is about 230.4752052732.

Adding to 12242571 its reverse (17524221), we get a palindrome (29766792).

The spelling of 12242571 in words is "twelve million, two hundred forty-two thousand, five hundred seventy-one".