11399806 has 16 divisors (see below), whose sum is σ = 18730368. Its totient is φ = 5160600.

The previous prime is 11399797. The next prime is 11399827. The reversal of 11399806 is 60899311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5311 + ... + 7141.

It is an arithmetic number, because the mean of its divisors is an integer number (1170648).

Almost surely, 2^11399806 is an apocalyptic number.

11399806 is a deficient number, since it is larger than the sum of its proper divisors (7330562).

11399806 is a wasteful number, since it uses less digits than its factorization.

11399806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11399806 is about 3376.3598741840. The cubic root of 11399806 is about 225.0604347946.

The spelling of 11399806 in words is "eleven million, three hundred ninety-nine thousand, eight hundred six".