11740405 has 4 divisors (see below), whose sum is σ = 14088492. Its totient is φ = 9392320.

The previous prime is 11740369. The next prime is 11740411. The reversal of 11740405 is 50404711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3411409 + 8328996 = 1847^2 + 2886^2 .

It is not a de Polignac number, because 11740405 - 2⁷ = 11740277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1174036 + ... + 1174045.

It is an arithmetic number, because the mean of its divisors is an integer number (3522123).

Almost surely, 2^11740405 is an apocalyptic number.

It is an amenable number.

11740405 is a deficient number, since it is larger than the sum of its proper divisors (2348087).

11740405 is an equidigital number, since it uses as much as digits as its factorization.

11740405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348086.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 11740405 is about 3426.4274397687. The cubic root of 11740405 is about 227.2798982222.

The spelling of 11740405 in words is "eleven million, seven hundred forty thousand, four hundred five".