12705207 has 8 divisors (see below), whose sum is σ = 17074176. Its totient is φ = 8403192.

The previous prime is 12705197. The next prime is 12705211. The reversal of 12705207 is 70250721.

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

It is not a de Polignac number, because 12705207 - 2¹² = 12701111 is a prime.

It is a super-2 number, since 2×12705207² = 322844569825698, which contains 22 as substring.

12705207 is a modest number, since divided by 5207 gives 127 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12755207) 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, 16293 + ... + 17054.

It is an arithmetic number, because the mean of its divisors is an integer number (2134272).

Almost surely, 2^12705207 is an apocalyptic number.

12705207 is a deficient number, since it is larger than the sum of its proper divisors (4368969).

12705207 is a wasteful number, since it uses less digits than its factorization.

12705207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33477.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 12705207 is about 3564.4364210910. The cubic root of 12705207 is about 233.3425368252.

Adding to 12705207 its reverse (70250721), we get a palindrome (82955928).

The spelling of 12705207 in words is "twelve million, seven hundred five thousand, two hundred seven".