12586965 has 8 divisors (see below), whose sum is σ = 20139168. Its totient is φ = 6713040.

The previous prime is 12586963. The next prime is 12586967. The reversal of 12586965 is 56968521.

12586965 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12586963) and next prime (12586967).

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

It is not a de Polignac number, because 12586965 - 2¹ = 12586963 is a prime.

It is a super-2 number, since 2×12586965² = 316863375822450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12586963) 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 7 ways as a sum of consecutive naturals, for example, 419551 + ... + 419580.

It is an arithmetic number, because the mean of its divisors is an integer number (2517396).

Almost surely, 2^12586965 is an apocalyptic number.

12586965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12586965 is a deficient number, since it is larger than the sum of its proper divisors (7552203).

12586965 is an equidigital number, since it uses as much as digits as its factorization.

12586965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839139.

The product of its digits is 129600, while the sum is 42.

The square root of 12586965 is about 3547.8112971239. The cubic root of 12586965 is about 232.6164060403.

The spelling of 12586965 in words is "twelve million, five hundred eighty-six thousand, nine hundred sixty-five".