11405799 has 16 divisors (see below), whose sum is σ = 17443840. Its totient is φ = 7358040.

The previous prime is 11405791. The next prime is 11405809. The reversal of 11405799 is 99750411.

It is not a de Polignac number, because 11405799 - 2³ = 11405791 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 (11405791) 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 15 ways as a sum of consecutive naturals, for example, 5977 + ... + 7650.

It is an arithmetic number, because the mean of its divisors is an integer number (1090240).

Almost surely, 2^11405799 is an apocalyptic number.

11405799 is a deficient number, since it is larger than the sum of its proper divisors (6038041).

11405799 is a wasteful number, since it uses less digits than its factorization.

11405799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13667 (or 13661 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 11405799 is about 3377.2472518310. The cubic root of 11405799 is about 225.0998667784.

The spelling of 11405799 in words is "eleven million, four hundred five thousand, seven hundred ninety-nine".