12241718 has 4 divisors (see below), whose sum is σ = 18362580. Its totient is φ = 6120858.

The previous prime is 12241703. The next prime is 12241729. The reversal of 12241718 is 81714221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81714221 = 197 ⋅414793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060428 + ... + 3060431.

It is an arithmetic number, because the mean of its divisors is an integer number (4590645).

Almost surely, 2^12241718 is an apocalyptic number.

12241718 is a deficient number, since it is larger than the sum of its proper divisors (6120862).

12241718 is an equidigital number, since it uses as much as digits as its factorization.

12241718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120861.

The product of its digits is 896, while the sum is 26.

The square root of 12241718 is about 3498.8166570999. The cubic root of 12241718 is about 230.4698523693.

Adding to 12241718 its reverse (81714221), we get a palindrome (93955939).

The spelling of 12241718 in words is "twelve million, two hundred forty-one thousand, seven hundred eighteen".