11247087 has 4 divisors (see below), whose sum is σ = 14996120. Its totient is φ = 7498056.

The previous prime is 11247083. The next prime is 11247097. The reversal of 11247087 is 78074211.

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

It is not a de Polignac number, because 11247087 - 2² = 11247083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11247083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874512 + ... + 1874517.

It is an arithmetic number, because the mean of its divisors is an integer number (3749030).

Almost surely, 2^11247087 is an apocalyptic number.

11247087 is a deficient number, since it is larger than the sum of its proper divisors (3749033).

11247087 is an equidigital number, since it uses as much as digits as its factorization.

11247087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749032.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 11247087 is about 3353.6676937347. The cubic root of 11247087 is about 224.0508959072.

The spelling of 11247087 in words is "eleven million, two hundred forty-seven thousand, eighty-seven".