12606172 has 6 divisors (see below), whose sum is σ = 22060808. Its totient is φ = 6303084.

The previous prime is 12606169. The next prime is 12606173. The reversal of 12606172 is 27160621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12606173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1575768 + ... + 1575775.

Almost surely, 2^12606172 is an apocalyptic number.

It is an amenable number.

12606172 is a deficient number, since it is larger than the sum of its proper divisors (9454636).

12606172 is a wasteful number, since it uses less digits than its factorization.

12606172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151547 (or 3151545 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12606172 is about 3550.5171454311. The cubic root of 12606172 is about 232.7346657549.

Adding to 12606172 its reverse (27160621), we get a palindrome (39766793).

The spelling of 12606172 in words is "twelve million, six hundred six thousand, one hundred seventy-two".