12070209 has 8 divisors (see below), whose sum is σ = 16216992. Its totient is φ = 7985120.

The previous prime is 12070199. The next prime is 12070231. The reversal of 12070209 is 90207021.

It is a happy number.

12070209 is digitally balanced in base 3, because in such base 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 12070209 - 2⁷ = 12070081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12070309) 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, 14964 + ... + 15749.

It is an arithmetic number, because the mean of its divisors is an integer number (2027124).

Almost surely, 2^12070209 is an apocalyptic number.

It is an amenable number.

12070209 is a deficient number, since it is larger than the sum of its proper divisors (4146783).

12070209 is a wasteful number, since it uses less digits than its factorization.

12070209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30847.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 12070209 is about 3474.2206320267. The cubic root of 12070209 is about 229.3884763420.

The spelling of 12070209 in words is "twelve million, seventy thousand, two hundred nine".