11865044 has 12 divisors (see below), whose sum is σ = 21856800. Its totient is φ = 5620248.

The previous prime is 11865037. The next prime is 11865047. The reversal of 11865044 is 44056811.

11865044 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 = 11864998 and 11865016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11865047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77984 + ... + 78135.

It is an arithmetic number, because the mean of its divisors is an integer number (1821400).

Almost surely, 2^11865044 is an apocalyptic number.

It is an amenable number.

11865044 is a deficient number, since it is larger than the sum of its proper divisors (9991756).

11865044 is a wasteful number, since it uses less digits than its factorization.

11865044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156142 (or 156140 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 11865044 is about 3444.5673168048. The cubic root of 11865044 is about 228.0813549830.

The spelling of 11865044 in words is "eleven million, eight hundred sixty-five thousand, forty-four".