11693868 has 12 divisors (see below), whose sum is σ = 27285720. Its totient is φ = 3897952.

The previous prime is 11693863. The next prime is 11693879. The reversal of 11693868 is 86839611.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11693861) 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 in 3 ways as a sum of consecutive naturals, for example, 487233 + ... + 487256.

It is an arithmetic number, because the mean of its divisors is an integer number (2273810).

Almost surely, 2^11693868 is an apocalyptic number.

It is an amenable number.

11693868 is an abundant number, since it is smaller than the sum of its proper divisors (15591852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11693868 is a wasteful number, since it uses less digits than its factorization.

11693868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974496 (or 974494 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 11693868 is about 3419.6298045256. The cubic root of 11693868 is about 226.9792007439.

It can be divided in two parts, 11693 and 868, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 11693868 in words is "eleven million, six hundred ninety-three thousand, eight hundred sixty-eight".