12170007 has 10 divisors (see below), whose sum is σ = 18180008. Its totient is φ = 8113284.

The previous prime is 12169991. The next prime is 12170009. The reversal of 12170007 is 70007121.

It is not a de Polignac number, because 12170007 - 2⁴ = 12169991 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 (12170009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 75043 + ... + 75204.

Almost surely, 2^12170007 is an apocalyptic number.

12170007 is a deficient number, since it is larger than the sum of its proper divisors (6010001).

12170007 is an equidigital number, since it uses as much as digits as its factorization.

12170007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150259 (or 150250 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 12170007 is about 3488.5537117837. The cubic root of 12170007 is about 230.0189461393.

Adding to 12170007 its reverse (70007121), we get a palindrome (82177128).

The spelling of 12170007 in words is "twelve million, one hundred seventy thousand, seven".