11387219 has 2 divisors, whose sum is σ = 11387220. Its totient is φ = 11387218.

The previous prime is 11387183. The next prime is 11387237. The reversal of 11387219 is 91278311.

11387219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11387219 - 2¹² = 11383123 is a prime.

It is a super-2 number, since 2×11387219² = 259337513107922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11387239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5693609 + 5693610.

It is an arithmetic number, because the mean of its divisors is an integer number (5693610).

Almost surely, 2^11387219 is an apocalyptic number.

11387219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11387219 is an equidigital number, since it uses as much as digits as its factorization.

11387219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 32.

The square root of 11387219 is about 3374.4953696812. The cubic root of 11387219 is about 224.9775714269.

The spelling of 11387219 in words is "eleven million, three hundred eighty-seven thousand, two hundred nineteen".