12241664 has 18 divisors (see below), whose sum is σ = 24436020. Its totient is φ = 6120704.

The previous prime is 12241661. The next prime is 12241673. The reversal of 12241664 is 46614221.

It is not an unprimeable number, because it can be changed into a prime (12241661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23654 + ... + 24165.

Almost surely, 2^12241664 is an apocalyptic number.

It is an amenable number.

12241664 is a deficient number, since it is larger than the sum of its proper divisors (12194356).

12241664 is an frugal number, since it uses more digits than its factorization.

12241664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47835 (or 47821 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 12241664 is about 3498.8089401966. The cubic root of 12241664 is about 230.4695134901.

Adding to 12241664 its reverse (46614221), we get a palindrome (58855885).

The spelling of 12241664 in words is "twelve million, two hundred forty-one thousand, six hundred sixty-four".