11854445 has 4 divisors (see below), whose sum is σ = 14225340. Its totient is φ = 9483552.

The previous prime is 11854441. The next prime is 11854463. The reversal of 11854445 is 54445811.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4313929 + 7540516 = 2077^2 + 2746^2 .

It is a cyclic number.

It is not a de Polignac number, because 11854445 - 2² = 11854441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11854441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1185440 + ... + 1185449.

It is an arithmetic number, because the mean of its divisors is an integer number (3556335).

Almost surely, 2^11854445 is an apocalyptic number.

It is an amenable number.

11854445 is a deficient number, since it is larger than the sum of its proper divisors (2370895).

11854445 is an equidigital number, since it uses as much as digits as its factorization.

11854445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370894.

The product of its digits is 12800, while the sum is 32.

The square root of 11854445 is about 3443.0284634316. The cubic root of 11854445 is about 228.0134200062.

The spelling of 11854445 in words is "eleven million, eight hundred fifty-four thousand, four hundred forty-five".