12986267 has 8 divisors (see below), whose sum is σ = 14882016. Its totient is φ = 11100672.

The previous prime is 12986261. The next prime is 12986273. The reversal of 12986267 is 76268921.

It is an interprime number because it is at equal distance from previous prime (12986261) and next prime (12986273).

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 12986267 - 2⁶ = 12986203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12986261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (1860252).

Almost surely, 2^12986267 is an apocalyptic number.

12986267 is a deficient number, since it is larger than the sum of its proper divisors (1895749).

12986267 is an equidigital number, since it uses as much as digits as its factorization.

12986267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077.

The product of its digits is 72576, while the sum is 41.

The square root of 12986267 is about 3603.6463477983. The cubic root of 12986267 is about 235.0506424734.

The spelling of 12986267 in words is "twelve million, nine hundred eighty-six thousand, two hundred sixty-seven".