12070217 has 4 divisors (see below), whose sum is σ = 12120960. Its totient is φ = 12019476.

The previous prime is 12070199. The next prime is 12070231. The reversal of 12070217 is 71207021.

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 12070217 - 2⁸ = 12069961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12070297) 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 3 ways as a sum of consecutive naturals, for example, 25013 + ... + 25490.

It is an arithmetic number, because the mean of its divisors is an integer number (3030240).

Almost surely, 2^12070217 is an apocalyptic number.

It is an amenable number.

12070217 is a deficient number, since it is larger than the sum of its proper divisors (50743).

12070217 is an equidigital number, since it uses as much as digits as its factorization.

12070217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50742.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 12070217 is about 3474.2217833639. The cubic root of 12070217 is about 229.3885270207.

Adding to 12070217 its reverse (71207021), we get a palindrome (83277238).

The spelling of 12070217 in words is "twelve million, seventy thousand, two hundred seventeen".