12670987 has 8 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 10835304.

The previous prime is 12670963. The next prime is 12670997. The reversal of 12670987 is 78907621.

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

It is a cyclic number.

It is not a de Polignac number, because 12670987 - 2¹¹ = 12668939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12670997) 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, 1464 + ... + 5242.

It is an arithmetic number, because the mean of its divisors is an integer number (1814400).

Almost surely, 2^12670987 is an apocalyptic number.

12670987 is a deficient number, since it is larger than the sum of its proper divisors (1844213).

12670987 is an equidigital number, since it uses as much as digits as its factorization.

12670987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 12670987 is about 3559.6329866996. The cubic root of 12670987 is about 233.1328547835.

The spelling of 12670987 in words is "twelve million, six hundred seventy thousand, nine hundred eighty-seven".