12206207 has 4 divisors (see below), whose sum is σ = 13145160. Its totient is φ = 11267256.

The previous prime is 12206203. The next prime is 12206209. The reversal of 12206207 is 70260221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70260221 = 613 ⋅114617.

It is not a de Polignac number, because 12206207 - 2² = 12206203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206203) 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, 469457 + ... + 469482.

It is an arithmetic number, because the mean of its divisors is an integer number (3286290).

Almost surely, 2^12206207 is an apocalyptic number.

12206207 is a deficient number, since it is larger than the sum of its proper divisors (938953).

12206207 is an equidigital number, since it uses as much as digits as its factorization.

12206207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938952.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12206207 is about 3493.7382557942. The cubic root of 12206207 is about 230.2467861476.

Adding to 12206207 its reverse (70260221), we get a palindrome (82466428).

The spelling of 12206207 in words is "twelve million, two hundred six thousand, two hundred seven".