12860015 has 16 divisors (see below), whose sum is σ = 17863680. Its totient is φ = 8704800.

The previous prime is 12859997. The next prime is 12860033. The reversal of 12860015 is 51006821.

It is an interprime number because it is at equal distance from previous prime (12859997) and next prime (12860033).

It is not a de Polignac number, because 12860015 - 2¹⁶ = 12794479 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 440 + ... + 5090.

It is an arithmetic number, because the mean of its divisors is an integer number (1116480).

Almost surely, 2^12860015 is an apocalyptic number.

12860015 is a deficient number, since it is larger than the sum of its proper divisors (5003665).

12860015 is an equidigital number, since it uses as much as digits as its factorization.

12860015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 12860015 is about 3586.0863068253. The cubic root of 12860015 is about 234.2864427508.

Adding to 12860015 its reverse (51006821), we get a palindrome (63866836).

The spelling of 12860015 in words is "twelve million, eight hundred sixty thousand, fifteen".