12030213 has 8 divisors (see below), whose sum is σ = 17274208. Its totient is φ = 7403184.

The previous prime is 12030209. The next prime is 12030223. The reversal of 12030213 is 31203021.

It is a happy number.

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

It is not a de Polignac number, because 12030213 - 2² = 12030209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 154195 + ... + 154272.

It is an arithmetic number, because the mean of its divisors is an integer number (2159276).

Almost surely, 2^12030213 is an apocalyptic number.

12030213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12030213 is a deficient number, since it is larger than the sum of its proper divisors (5243995).

12030213 is a wasteful number, since it uses less digits than its factorization.

12030213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308483.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12030213 is about 3468.4597446129. The cubic root of 12030213 is about 229.1348277677.

Adding to 12030213 its reverse (31203021), we get a palindrome (43233234).

It can be divided in two parts, 1203021 and 3, that multiplied together give a palindrome (3609063).

The spelling of 12030213 in words is "twelve million, thirty thousand, two hundred thirteen".