12030293 has 4 divisors (see below), whose sum is σ = 13123968. Its totient is φ = 10936620.

The previous prime is 12030289. The next prime is 12030299. The reversal of 12030293 is 39203021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12030293 - 2² = 12030289 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030299) by changing a digit.

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, 546821 + ... + 546842.

It is an arithmetic number, because the mean of its divisors is an integer number (3280992).

Almost surely, 2^12030293 is an apocalyptic number.

It is an amenable number.

12030293 is a deficient number, since it is larger than the sum of its proper divisors (1093675).

12030293 is a wasteful number, since it uses less digits than its factorization.

12030293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093674.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 12030293 is about 3468.4712770902. The cubic root of 12030293 is about 229.1353356763.

The spelling of 12030293 in words is "twelve million, thirty thousand, two hundred ninety-three".