11857201 has 4 divisors (see below), whose sum is σ = 12266100. Its totient is φ = 11448304.

The previous prime is 11857193. The next prime is 11857217. The reversal of 11857201 is 10275811.

11857201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4840000 + 7017201 = 2200^2 + 2649^2 .

It is a cyclic number.

It is not a de Polignac number, because 11857201 - 2³ = 11857193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11857291) 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 3 ways as a sum of consecutive naturals, for example, 204406 + ... + 204463.

It is an arithmetic number, because the mean of its divisors is an integer number (3066525).

Almost surely, 2^11857201 is an apocalyptic number.

It is an amenable number.

11857201 is a deficient number, since it is larger than the sum of its proper divisors (408899).

11857201 is an equidigital number, since it uses as much as digits as its factorization.

11857201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408898.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 11857201 is about 3443.4286692191. The cubic root of 11857201 is about 228.0310886611.

The spelling of 11857201 in words is "eleven million, eight hundred fifty-seven thousand, two hundred one".