11813201 has 4 divisors (see below), whose sum is σ = 12194304. Its totient is φ = 11432100.

The previous prime is 11813189. The next prime is 11813203. The reversal of 11813201 is 10231811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10231811 = 113 ⋅90547.

It is a cyclic number.

It is not a de Polignac number, because 11813201 - 2¹⁴ = 11796817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11813201.

It is not an unprimeable number, because it can be changed into a prime (11813203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190505 + ... + 190566.

It is an arithmetic number, because the mean of its divisors is an integer number (3048576).

Almost surely, 2^11813201 is an apocalyptic number.

It is an amenable number.

11813201 is a deficient number, since it is larger than the sum of its proper divisors (381103).

11813201 is an equidigital number, since it uses as much as digits as its factorization.

11813201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381102.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 11813201 is about 3437.0337501980. The cubic root of 11813201 is about 227.7486778785.

The spelling of 11813201 in words is "eleven million, eight hundred thirteen thousand, two hundred one".