12670237 has 4 divisors (see below), whose sum is σ = 12800956. Its totient is φ = 12539520.

The previous prime is 12670223. The next prime is 12670247. The reversal of 12670237 is 73207621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73207621 = 6863 ⋅10667.

It can be written as a sum of positive squares in 2 ways, for example, as 1819801 + 10850436 = 1349^2 + 3294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12670237 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 (12670247) 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 3 ways as a sum of consecutive naturals, for example, 65214 + ... + 65407.

It is an arithmetic number, because the mean of its divisors is an integer number (3200239).

Almost surely, 2^12670237 is an apocalyptic number.

It is an amenable number.

12670237 is a deficient number, since it is larger than the sum of its proper divisors (130719).

12670237 is an equidigital number, since it uses as much as digits as its factorization.

12670237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130718.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 12670237 is about 3559.5276372013. The cubic root of 12670237 is about 233.1282549553.

Adding to 12670237 its reverse (73207621), we get a palindrome (85877858).

The spelling of 12670237 in words is "twelve million, six hundred seventy thousand, two hundred thirty-seven".