11401805 has 16 divisors (see below), whose sum is σ = 14489280. Its totient is φ = 8589312.

The previous prime is 11401801. The next prime is 11401823. The reversal of 11401805 is 50810411.

It is a cyclic number.

It is not a de Polignac number, because 11401805 - 2² = 11401801 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24182 + ... + 24648.

It is an arithmetic number, because the mean of its divisors is an integer number (905580).

Almost surely, 2^11401805 is an apocalyptic number.

It is an amenable number.

11401805 is a deficient number, since it is larger than the sum of its proper divisors (3087475).

11401805 is a wasteful number, since it uses less digits than its factorization.

11401805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 11401805 is about 3376.6558900782. The cubic root of 11401805 is about 225.0735890979.

The spelling of 11401805 in words is "eleven million, four hundred one thousand, eight hundred five".