12586667 has 8 divisors (see below), whose sum is σ = 13206240. Its totient is φ = 11979520.

The previous prime is 12586661. The next prime is 12586711. The reversal of 12586667 is 76668521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12586667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12586661) 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, 998 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (1650780).

Almost surely, 2^12586667 is an apocalyptic number.

12586667 is a deficient number, since it is larger than the sum of its proper divisors (619573).

12586667 is an equidigital number, since it uses as much as digits as its factorization.

12586667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213.

The product of its digits is 120960, while the sum is 41.

The square root of 12586667 is about 3547.7692991512. The cubic root of 12586667 is about 232.6145702724.

The spelling of 12586667 in words is "twelve million, five hundred eighty-six thousand, six hundred sixty-seven".