12144298 has 4 divisors (see below), whose sum is σ = 18216450. Its totient is φ = 6072148.

The previous prime is 12144289. The next prime is 12144313. The reversal of 12144298 is 89244121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89244121 = 19 ⋅4697059.

It can be written as a sum of positive squares in only one way, i.e., 11068929 + 1075369 = 3327^2 + 1037^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 3036073 + ... + 3036076.

Almost surely, 2^12144298 is an apocalyptic number.

12144298 is a deficient number, since it is larger than the sum of its proper divisors (6072152).

12144298 is an equidigital number, since it uses as much as digits as its factorization.

12144298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072151.

The product of its digits is 4608, while the sum is 31.

The square root of 12144298 is about 3484.8669988968. The cubic root of 12144298 is about 229.8568611576.

The spelling of 12144298 in words is "twelve million, one hundred forty-four thousand, two hundred ninety-eight".