11405606 has 8 divisors (see below), whose sum is σ = 18114840. Its totient is φ = 5367328.

The previous prime is 11405587. The next prime is 11405609. The reversal of 11405606 is 60650411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167696 + ... + 167763.

It is an arithmetic number, because the mean of its divisors is an integer number (2264355).

Almost surely, 2^11405606 is an apocalyptic number.

11405606 is a deficient number, since it is larger than the sum of its proper divisors (6709234).

11405606 is a wasteful number, since it uses less digits than its factorization.

11405606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335478.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 11405606 is about 3377.2186781433. The cubic root of 11405606 is about 225.0985971167.

The spelling of 11405606 in words is "eleven million, four hundred five thousand, six hundred six".