11818401 has 8 divisors (see below), whose sum is σ = 18009024. Its totient is φ = 6753360.

The previous prime is 11818393. The next prime is 11818439. The reversal of 11818401 is 10481811.

11818401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11818401 - 2³ = 11818393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11818441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281370 + ... + 281411.

It is an arithmetic number, because the mean of its divisors is an integer number (2251128).

Almost surely, 2^11818401 is an apocalyptic number.

It is an amenable number.

11818401 is a deficient number, since it is larger than the sum of its proper divisors (6190623).

11818401 is an equidigital number, since it uses as much as digits as its factorization.

11818401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562791.

The product of its (nonzero) digits is 256, while the sum is 24.

The square root of 11818401 is about 3437.7901332106. The cubic root of 11818401 is about 227.7820901997.

The spelling of 11818401 in words is "eleven million, eight hundred eighteen thousand, four hundred one".