12862387 has 8 divisors (see below), whose sum is σ = 13650336. Its totient is φ = 12077952.

The previous prime is 12862357. The next prime is 12862393. The reversal of 12862387 is 78326821.

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 12862387 - 2¹⁹ = 12338099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12862307) 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, 14058 + ... + 14944.

It is an arithmetic number, because the mean of its divisors is an integer number (1706292).

Almost surely, 2^12862387 is an apocalyptic number.

12862387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12862387 is a deficient number, since it is larger than the sum of its proper divisors (787949).

12862387 is an equidigital number, since it uses as much as digits as its factorization.

12862387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757.

The product of its digits is 32256, while the sum is 37.

The square root of 12862387 is about 3586.4170142358. The cubic root of 12862387 is about 234.3008463959.

The spelling of 12862387 in words is "twelve million, eight hundred sixty-two thousand, three hundred eighty-seven".