11287445 has 16 divisors (see below), whose sum is σ = 14673792. Its totient is φ = 8285760.

The previous prime is 11287429. The next prime is 11287453. The reversal of 11287445 is 54478211.

It is a happy number.

It is not a de Polignac number, because 11287445 - 2⁴ = 11287429 is a prime.

It is a Duffinian 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, 13304 + ... + 14126.

It is an arithmetic number, because the mean of its divisors is an integer number (917112).

Almost surely, 2^11287445 is an apocalyptic number.

It is an amenable number.

11287445 is a deficient number, since it is larger than the sum of its proper divisors (3386347).

11287445 is a wasteful number, since it uses less digits than its factorization.

11287445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052.

The product of its digits is 8960, while the sum is 32.

The square root of 11287445 is about 3359.6793001714. The cubic root of 11287445 is about 224.3185637966.

The spelling of 11287445 in words is "eleven million, two hundred eighty-seven thousand, four hundred forty-five".