11810645 has 16 divisors (see below), whose sum is σ = 17670528. Its totient is φ = 7362240.

The previous prime is 11810629. The next prime is 11810657. The reversal of 11810645 is 54601811.

It is not a de Polignac number, because 11810645 - 2⁴ = 11810629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14954 + ... + 15723.

It is an arithmetic number, because the mean of its divisors is an integer number (1104408).

Almost surely, 2^11810645 is an apocalyptic number.

It is an amenable number.

11810645 is a deficient number, since it is larger than the sum of its proper divisors (5859883).

11810645 is a wasteful number, since it uses less digits than its factorization.

11810645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30700.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 11810645 is about 3436.6618978305. The cubic root of 11810645 is about 227.7322508432.

The spelling of 11810645 in words is "eleven million, eight hundred ten thousand, six hundred forty-five".