11856801 has 8 divisors (see below), whose sum is σ = 17246304. Its totient is φ = 7185920.

The previous prime is 11856763. The next prime is 11856811. The reversal of 11856801 is 10865811.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11856801 - 2⁷ = 11856673 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11856811) 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 7 ways as a sum of consecutive naturals, for example, 179616 + ... + 179681.

It is an arithmetic number, because the mean of its divisors is an integer number (2155788).

Almost surely, 2^11856801 is an apocalyptic number.

11856801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11856801 is a deficient number, since it is larger than the sum of its proper divisors (5389503).

11856801 is a wasteful number, since it uses less digits than its factorization.

11856801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359311.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 11856801 is about 3443.3705870847. The cubic root of 11856801 is about 228.0285244399.

The spelling of 11856801 in words is "eleven million, eight hundred fifty-six thousand, eight hundred one".