12242618 has 24 divisors (see below), whose sum is σ = 19893600. Its totient is φ = 5647808.

The previous prime is 12242617. The next prime is 12242621. The reversal of 12242618 is 81624221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12242617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33923 + ... + 34281.

It is an arithmetic number, because the mean of its divisors is an integer number (828900).

Almost surely, 2^12242618 is an apocalyptic number.

12242618 is a deficient number, since it is larger than the sum of its proper divisors (7650982).

12242618 is a wasteful number, since it uses less digits than its factorization.

12242618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 437 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 12242618 is about 3498.9452696491. The cubic root of 12242618 is about 230.4755002091.

Adding to 12242618 its reverse (81624221), we get a palindrome (93866839).

The spelling of 12242618 in words is "twelve million, two hundred forty-two thousand, six hundred eighteen".