12241215 has 24 divisors (see below), whose sum is σ = 24249888. Its totient is φ = 5595840.

The previous prime is 12241213. The next prime is 12241217. The reversal of 12241215 is 51214221.

It is an interprime number because it is at equal distance from previous prime (12241213) and next prime (12241217).

It is not a de Polignac number, because 12241215 - 2¹ = 12241213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12241213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19116 + ... + 19745.

It is an arithmetic number, because the mean of its divisors is an integer number (1010412).

Almost surely, 2^12241215 is an apocalyptic number.

12241215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12241215 is a deficient number, since it is larger than the sum of its proper divisors (12008673).

12241215 is a wasteful number, since it uses less digits than its factorization.

12241215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38879 (or 38876 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 12241215 is about 3498.7447749157. The cubic root of 12241215 is about 230.4666957339.

Adding to 12241215 its reverse (51214221), we get a palindrome (63455436).

The spelling of 12241215 in words is "twelve million, two hundred forty-one thousand, two hundred fifteen".