11945868 has 24 divisors (see below), whose sum is σ = 30408000. Its totient is φ = 3619920.

The previous prime is 11945867. The next prime is 11945897. The reversal of 11945868 is 86854911.

11945868 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11945861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45118 + ... + 45381.

It is an arithmetic number, because the mean of its divisors is an integer number (1267000).

Almost surely, 2^11945868 is an apocalyptic number.

It is an amenable number.

11945868 is an abundant number, since it is smaller than the sum of its proper divisors (18462132).

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

11945868 is a wasteful number, since it uses less digits than its factorization.

11945868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90517 (or 90515 counting only the distinct ones).

The product of its digits is 69120, while the sum is 42.

The square root of 11945868 is about 3456.2795025866. The cubic root of 11945868 is about 228.5980758367.

The spelling of 11945868 in words is "eleven million, nine hundred forty-five thousand, eight hundred sixty-eight".