10993505 has 4 divisors (see below), whose sum is σ = 13192212. Its totient is φ = 8794800.

The previous prime is 10993459. The next prime is 10993513. The reversal of 10993505 is 50539901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50539901 = 23 ⋅2197387.

It can be written as a sum of positive squares in 2 ways, for example, as 5456896 + 5536609 = 2336^2 + 2353^2 .

It is not a de Polignac number, because 10993505 - 2¹² = 10989409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099346 + ... + 1099355.

It is an arithmetic number, because the mean of its divisors is an integer number (3298053).

Almost surely, 2^10993505 is an apocalyptic number.

It is an amenable number.

10993505 is a deficient number, since it is larger than the sum of its proper divisors (2198707).

10993505 is an equidigital number, since it uses as much as digits as its factorization.

10993505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198706.

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 10993505 is about 3315.6454876841. The cubic root of 10993505 is about 222.3542284672.

The spelling of 10993505 in words is "ten million, nine hundred ninety-three thousand, five hundred five".