10439287 has 2 divisors, whose sum is σ = 10439288. Its totient is φ = 10439286.

The previous prime is 10439267. The next prime is 10439321. The reversal of 10439287 is 78293401.

It is an a-pointer prime, because the next prime (10439321) can be obtained adding 10439287 to its sum of digits (34).

It is a weak prime.

It is an emirp because it is prime and its reverse (78293401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10439287 - 2²³ = 2050679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10439267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5219643 + 5219644.

It is an arithmetic number, because the mean of its divisors is an integer number (5219644).

Almost surely, 2^10439287 is an apocalyptic number.

10439287 is a deficient number, since it is larger than the sum of its proper divisors (1).

10439287 is an equidigital number, since it uses as much as digits as its factorization.

10439287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 10439287 is about 3230.9885484167. The cubic root of 10439287 is about 218.5530873421.

The spelling of 10439287 in words is "ten million, four hundred thirty-nine thousand, two hundred eighty-seven".