11540686 has 4 divisors (see below), whose sum is σ = 17311032. Its totient is φ = 5770342.

The previous prime is 11540681. The next prime is 11540693. The reversal of 11540686 is 68604511.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11540681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2885170 + ... + 2885173.

It is an arithmetic number, because the mean of its divisors is an integer number (4327758).

Almost surely, 2^11540686 is an apocalyptic number.

11540686 is a deficient number, since it is larger than the sum of its proper divisors (5770346).

11540686 is an equidigital number, since it uses as much as digits as its factorization.

11540686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770345.

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

The square root of 11540686 is about 3397.1585185269. The cubic root of 11540686 is about 225.9837485377.

The spelling of 11540686 in words is "eleven million, five hundred forty thousand, six hundred eighty-six".