9965087 has 4 divisors (see below), whose sum is σ = 10871016. Its totient is φ = 9059160.

The previous prime is 9965083. The next prime is 9965089. The reversal of 9965087 is 7805699.

9965087 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7805699 = 11 ⋅709609.

It is not a de Polignac number, because 9965087 - 2² = 9965083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9965083) 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 3 ways as a sum of consecutive naturals, for example, 452948 + ... + 452969.

It is an arithmetic number, because the mean of its divisors is an integer number (2717754).

Almost surely, 2^9965087 is an apocalyptic number.

9965087 is a deficient number, since it is larger than the sum of its proper divisors (905929).

9965087 is a wasteful number, since it uses less digits than its factorization.

9965087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905928.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 9965087 is about 3156.7526035469. The cubic root of 9965087 is about 215.1924507217.

The spelling of 9965087 in words is "nine million, nine hundred sixty-five thousand, eighty-seven".