11865036 has 24 divisors (see below), whose sum is σ = 27773424. Its totient is φ = 3942400.

The previous prime is 11865017. The next prime is 11865037. The reversal of 11865036 is 63056811.

11865036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11864994 and 11865012.

It is not an unprimeable number, because it can be changed into a prime (11865037) 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, 2836 + ... + 5636.

It is an arithmetic number, because the mean of its divisors is an integer number (1157226).

Almost surely, 2^11865036 is an apocalyptic number.

It is an amenable number.

11865036 is an abundant number, since it is smaller than the sum of its proper divisors (15908388).

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

11865036 is a wasteful number, since it uses less digits than its factorization.

11865036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3159 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 11865036 is about 3444.5661555557. The cubic root of 11865036 is about 228.0813037218.

The spelling of 11865036 in words is "eleven million, eight hundred sixty-five thousand, thirty-six".