11908219 has 2 divisors, whose sum is σ = 11908220. Its totient is φ = 11908218.

The previous prime is 11908217. The next prime is 11908261. The reversal of 11908219 is 91280911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11908219 - 2¹ = 11908217 is a prime.

It is a super-2 number, since 2×11908219² = 283611359503922, which contains 22 as substring.

Together with 11908217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11908213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5954109 + 5954110.

It is an arithmetic number, because the mean of its divisors is an integer number (5954110).

Almost surely, 2^11908219 is an apocalyptic number.

11908219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11908219 is an equidigital number, since it uses as much as digits as its factorization.

11908219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 11908219 is about 3450.8287410418. The cubic root of 11908219 is about 228.3576706377.

It can be divided in two parts, 1190 and 8219, that added together give a square (9409 = 97²).

The spelling of 11908219 in words is "eleven million, nine hundred eight thousand, two hundred nineteen".