10287865 has 16 divisors (see below), whose sum is σ = 14191488. Its totient is φ = 7013376.

The previous prime is 10287853. The next prime is 10287869. The reversal of 10287865 is 56878201.

It is a cyclic number.

It is not a de Polignac number, because 10287865 - 2¹¹ = 10285817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10287869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5994 + ... + 7516.

It is an arithmetic number, because the mean of its divisors is an integer number (886968).

Almost surely, 2^10287865 is an apocalyptic number.

It is an amenable number.

10287865 is a deficient number, since it is larger than the sum of its proper divisors (3903623).

10287865 is a wasteful number, since it uses less digits than its factorization.

10287865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 10287865 is about 3207.4701869230. The cubic root of 10287865 is about 217.4912314252.

The spelling of 10287865 in words is "ten million, two hundred eighty-seven thousand, eight hundred sixty-five".