12287039 has 8 divisors (see below), whose sum is σ = 13458960. Its totient is φ = 11165056.

The previous prime is 12287017. The next prime is 12287057. The reversal of 12287039 is 93078221.

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

It is not a de Polignac number, because 12287039 - 2⁸ = 12286783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12286996 and 12287014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12287059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11969 + ... + 12954.

It is an arithmetic number, because the mean of its divisors is an integer number (1682370).

Almost surely, 2^12287039 is an apocalyptic number.

12287039 is a deficient number, since it is larger than the sum of its proper divisors (1171921).

12287039 is a wasteful number, since it uses less digits than its factorization.

12287039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24969.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 12287039 is about 3505.2872920775. The cubic root of 12287039 is about 230.7539154594.

The spelling of 12287039 in words is "twelve million, two hundred eighty-seven thousand, thirty-nine".