12144026 has 8 divisors (see below), whose sum is σ = 18244980. Its totient is φ = 6062368.

The previous prime is 12144019. The next prime is 12144031. The reversal of 12144026 is 62044121.

It can be written as a sum of positive squares in 2 ways, for example, as 10569001 + 1575025 = 3251^2 + 1255^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12143989 and 12144007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3131 + ... + 5838.

Almost surely, 2^12144026 is an apocalyptic number.

12144026 is a deficient number, since it is larger than the sum of its proper divisors (6100954).

12144026 is an equidigital number, since it uses as much as digits as its factorization.

12144026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9648.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12144026 is about 3484.8279727987. The cubic root of 12144026 is about 229.8551450838.

Adding to 12144026 its reverse (62044121), we get a palindrome (74188147).

The spelling of 12144026 in words is "twelve million, one hundred forty-four thousand, twenty-six".