11806534 has 8 divisors (see below), whose sum is σ = 18751608. Its totient is φ = 5556000.

The previous prime is 11806513. The next prime is 11806537. The reversal of 11806534 is 43560811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11806537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173592 + ... + 173659.

It is an arithmetic number, because the mean of its divisors is an integer number (2343951).

Almost surely, 2^11806534 is an apocalyptic number.

11806534 is a deficient number, since it is larger than the sum of its proper divisors (6945074).

11806534 is a wasteful number, since it uses less digits than its factorization.

11806534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347270.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 11806534 is about 3436.0637363122. The cubic root of 11806534 is about 227.7058250799.

The spelling of 11806534 in words is "eleven million, eight hundred six thousand, five hundred thirty-four".