11540866 has 32 divisors (see below), whose sum is σ = 19192320. Its totient is φ = 5184000.

The previous prime is 11540863. The next prime is 11540953. The reversal of 11540866 is 66804511.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (11540861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114216 + ... + 114316.

It is an arithmetic number, because the mean of its divisors is an integer number (599760).

Almost surely, 2^11540866 is an apocalyptic number.

11540866 is a deficient number, since it is larger than the sum of its proper divisors (7651454).

11540866 is a wasteful number, since it uses less digits than its factorization.

11540866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 11540866 is about 3397.1850111526. The cubic root of 11540866 is about 225.9849234206.

The spelling of 11540866 in words is "eleven million, five hundred forty thousand, eight hundred sixty-six".