12207707 has 4 divisors (see below), whose sum is σ = 12601536. Its totient is φ = 11813880.

The previous prime is 12207703. The next prime is 12207721. The reversal of 12207707 is 70770221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12207707 - 2² = 12207703 is a prime.

It is a super-2 number, since 2×12207707² = 298056220395698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12207703) 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, 196868 + ... + 196929.

It is an arithmetic number, because the mean of its divisors is an integer number (3150384).

Almost surely, 2^12207707 is an apocalyptic number.

12207707 is a deficient number, since it is larger than the sum of its proper divisors (393829).

12207707 is an equidigital number, since it uses as much as digits as its factorization.

12207707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393828.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 12207707 is about 3493.9529189730. The cubic root of 12207707 is about 230.2562173065.

Adding to 12207707 its reverse (70770221), we get a palindrome (82977928).

The spelling of 12207707 in words is "twelve million, two hundred seven thousand, seven hundred seven".