11868719 has 2 divisors, whose sum is σ = 11868720. Its totient is φ = 11868718.

The previous prime is 11868707. The next prime is 11868733. The reversal of 11868719 is 91786811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11868719 - 2⁸ = 11868463 is a prime.

It is a super-2 number, since 2×11868719² = 281732981401922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11868799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5934359 + 5934360.

It is an arithmetic number, because the mean of its divisors is an integer number (5934360).

Almost surely, 2^11868719 is an apocalyptic number.

11868719 is a deficient number, since it is larger than the sum of its proper divisors (1).

11868719 is an equidigital number, since it uses as much as digits as its factorization.

11868719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 41.

The square root of 11868719 is about 3445.1007242169. The cubic root of 11868719 is about 228.1049006874.

The spelling of 11868719 in words is "eleven million, eight hundred sixty-eight thousand, seven hundred nineteen".