12144668 has 6 divisors (see below), whose sum is σ = 21253176. Its totient is φ = 6072332.

The previous prime is 12144637. The next prime is 12144677. The reversal of 12144668 is 86644121.

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, 1518080 + ... + 1518087.

It is an arithmetic number, because the mean of its divisors is an integer number (3542196).

Almost surely, 2^12144668 is an apocalyptic number.

It is an amenable number.

12144668 is a deficient number, since it is larger than the sum of its proper divisors (9108508).

12144668 is a wasteful number, since it uses less digits than its factorization.

12144668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036171 (or 3036169 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 12144668 is about 3484.9200851669. The cubic root of 12144668 is about 229.8591954815.

Adding to 12144668 its reverse (86644121), we get a palindrome (98788789).

The spelling of 12144668 in words is "twelve million, one hundred forty-four thousand, six hundred sixty-eight".