12670137 has 6 divisors (see below), whose sum is σ = 18301322. Its totient is φ = 8446752.

The previous prime is 12670111. The next prime is 12670139. The reversal of 12670137 is 73107621.

It can be written as a sum of positive squares in only one way, i.e., 8785296 + 3884841 = 2964^2 + 1971^2 .

It is not a de Polignac number, because 12670137 - 2¹⁹ = 12145849 is a prime.

It is a super-4 number, since 4×12670137⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12670137.

It is not an unprimeable number, because it can be changed into a prime (12670139) 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 in 5 ways as a sum of consecutive naturals, for example, 703888 + ... + 703905.

Almost surely, 2^12670137 is an apocalyptic number.

It is an amenable number.

12670137 is a deficient number, since it is larger than the sum of its proper divisors (5631185).

12670137 is a wasteful number, since it uses less digits than its factorization.

12670137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407799 (or 1407796 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 12670137 is about 3559.5135903660. The cubic root of 12670137 is about 233.1276416312.

Adding to 12670137 its reverse (73107621), we get a palindrome (85777758).

The spelling of 12670137 in words is "twelve million, six hundred seventy thousand, one hundred thirty-seven".