11801219 has 4 divisors (see below), whose sum is σ = 11876544. Its totient is φ = 11725896.

The previous prime is 11801201. The next prime is 11801227. The reversal of 11801219 is 91210811.

11801219 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 is a cyclic number.

It is not a de Polignac number, because 11801219 - 2¹⁶ = 11735683 is a prime.

It is a super-2 number, since 2×11801219² = 278537539771922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11801194 and 11801203.

It is not an unprimeable number, because it can be changed into a prime (11801269) 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, 37427 + ... + 37740.

It is an arithmetic number, because the mean of its divisors is an integer number (2969136).

Almost surely, 2^11801219 is an apocalyptic number.

11801219 is a deficient number, since it is larger than the sum of its proper divisors (75325).

11801219 is an equidigital number, since it uses as much as digits as its factorization.

11801219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75324.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 11801219 is about 3435.2902351912. The cubic root of 11801219 is about 227.6716508361.

The spelling of 11801219 in words is "eleven million, eight hundred one thousand, two hundred nineteen".