12144302 has 4 divisors (see below), whose sum is σ = 18216456. Its totient is φ = 6072150.

The previous prime is 12144289. The next prime is 12144313. The reversal of 12144302 is 20344121.

It is a semiprime because it is the product of two primes.

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, 3036074 + ... + 3036077.

It is an arithmetic number, because the mean of its divisors is an integer number (4554114).

Almost surely, 2^12144302 is an apocalyptic number.

12144302 is a deficient number, since it is larger than the sum of its proper divisors (6072154).

12144302 is an equidigital number, since it uses as much as digits as its factorization.

12144302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072153.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12144302 is about 3484.8675728067. The cubic root of 12144302 is about 229.8568863938.

Adding to 12144302 its reverse (20344121), we get a palindrome (32488423).

The spelling of 12144302 in words is "twelve million, one hundred forty-four thousand, three hundred two".