12144746 has 8 divisors (see below), whose sum is σ = 18804864. Its totient is φ = 5876460.

The previous prime is 12144739. The next prime is 12144751. The reversal of 12144746 is 64744121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97880 + ... + 98003.

It is an arithmetic number, because the mean of its divisors is an integer number (2350608).

Almost surely, 2^12144746 is an apocalyptic number.

12144746 is a deficient number, since it is larger than the sum of its proper divisors (6660118).

12144746 is a wasteful number, since it uses less digits than its factorization.

12144746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195916.

The product of its digits is 5376, while the sum is 29.

The square root of 12144746 is about 3484.9312762234. The cubic root of 12144746 is about 229.8596875761.

Adding to 12144746 its reverse (64744121), we get a palindrome (76888867).

The spelling of 12144746 in words is "twelve million, one hundred forty-four thousand, seven hundred forty-six".