10787993 has 4 divisors (see below), whose sum is σ = 10814160. Its totient is φ = 10761828.

The previous prime is 10787963. The next prime is 10787999. The reversal of 10787993 is 39978701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10787993 - 2¹² = 10783897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10787999) 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, 12455 + ... + 13292.

It is an arithmetic number, because the mean of its divisors is an integer number (2703540).

Almost surely, 2^10787993 is an apocalyptic number.

It is an amenable number.

10787993 is a deficient number, since it is larger than the sum of its proper divisors (26167).

10787993 is an equidigital number, since it uses as much as digits as its factorization.

10787993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26166.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 10787993 is about 3284.5080301318. The cubic root of 10787993 is about 220.9599444204.

The spelling of 10787993 in words is "ten million, seven hundred eighty-seven thousand, nine hundred ninety-three".