12070321 has 8 divisors (see below), whose sum is σ = 12257280. Its totient is φ = 11884992.

The previous prime is 12070309. The next prime is 12070327. The reversal of 12070321 is 12307021.

It is a happy number.

12070321 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12070321 - 2¹⁹ = 11546033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12070295 and 12070304.

It is not an unprimeable number, because it can be changed into a prime (12070327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24960 + ... + 25438.

It is an arithmetic number, because the mean of its divisors is an integer number (1532160).

Almost surely, 2^12070321 is an apocalyptic number.

It is an amenable number.

12070321 is a deficient number, since it is larger than the sum of its proper divisors (186959).

12070321 is a wasteful number, since it uses less digits than its factorization.

12070321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 12070321 is about 3474.2367507123. The cubic root of 12070321 is about 229.3891858417.

Adding to 12070321 its reverse (12307021), we get a palindrome (24377342).

The spelling of 12070321 in words is "twelve million, seventy thousand, three hundred twenty-one".