11908019 has 2 divisors, whose sum is σ = 11908020. Its totient is φ = 11908018.

The previous prime is 11907989. The next prime is 11908027. The reversal of 11908019 is 91080911.

It is a strong prime.

It is an emirp because it is prime and its reverse (91080911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11908019 - 2¹⁶ = 11842483 is a prime.

It is a super-2 number, since 2×11908019² = 283601833008722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11907982 and 11908000.

It is not a weakly prime, because it can be changed into another prime (11908069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5954009 + 5954010.

It is an arithmetic number, because the mean of its divisors is an integer number (5954010).

Almost surely, 2^11908019 is an apocalyptic number.

11908019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11908019 is an equidigital number, since it uses as much as digits as its factorization.

11908019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 11908019 is about 3450.7997623739. The cubic root of 11908019 is about 228.3563921989.

The spelling of 11908019 in words is "eleven million, nine hundred eight thousand, nineteen".