10804405 has 4 divisors (see below), whose sum is σ = 12965292. Its totient is φ = 8643520.

The previous prime is 10804403. The next prime is 10804429. The reversal of 10804405 is 50440801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50440801 = 19 ⋅2654779.

It can be written as a sum of positive squares in 2 ways, for example, as 3908529 + 6895876 = 1977^2 + 2626^2 .

It is not a de Polignac number, because 10804405 - 2¹ = 10804403 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 (10804403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080436 + ... + 1080445.

It is an arithmetic number, because the mean of its divisors is an integer number (3241323).

Almost surely, 2^10804405 is an apocalyptic number.

It is an amenable number.

10804405 is a deficient number, since it is larger than the sum of its proper divisors (2160887).

10804405 is an equidigital number, since it uses as much as digits as its factorization.

10804405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160886.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 10804405 is about 3287.0054761135. The cubic root of 10804405 is about 221.0719379794.

The spelling of 10804405 in words is "ten million, eight hundred four thousand, four hundred five".