12242642 has 16 divisors (see below), whose sum is σ = 18769632. Its totient is φ = 5987520.

The previous prime is 12242623. The next prime is 12242651. The reversal of 12242642 is 24624221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28058 + ... + 28490.

It is an arithmetic number, because the mean of its divisors is an integer number (1173102).

Almost surely, 2^12242642 is an apocalyptic number.

12242642 is a deficient number, since it is larger than the sum of its proper divisors (6526990).

12242642 is a wasteful number, since it uses less digits than its factorization.

12242642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its digits is 1536, while the sum is 23.

The square root of 12242642 is about 3498.9486992524. The cubic root of 12242642 is about 230.4756508143.

Adding to 12242642 its reverse (24624221), we get a palindrome (36866863).

The spelling of 12242642 in words is "twelve million, two hundred forty-two thousand, six hundred forty-two".