11284747 has 4 divisors (see below), whose sum is σ = 11524896. Its totient is φ = 11044600.

The previous prime is 11284739. The next prime is 11284759. The reversal of 11284747 is 74748211.

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

It is a cyclic number.

It is not a de Polignac number, because 11284747 - 2³ = 11284739 is a prime.

It is a Duffinian number.

11284747 is a modest number, since divided by 4747 gives 1128 as remainder.

It is not an unprimeable number, because it can be changed into a prime (11281747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120004 + ... + 120097.

It is an arithmetic number, because the mean of its divisors is an integer number (2881224).

Almost surely, 2^11284747 is an apocalyptic number.

11284747 is a deficient number, since it is larger than the sum of its proper divisors (240149).

11284747 is an equidigital number, since it uses as much as digits as its factorization.

11284747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240148.

The product of its digits is 12544, while the sum is 34.

The square root of 11284747 is about 3359.2777497551. The cubic root of 11284747 is about 224.3006896685.

It can be divided in two parts, 112847 and 47, that multiplied together give a square (5303809 = 2303²).

The spelling of 11284747 in words is "eleven million, two hundred eighty-four thousand, seven hundred forty-seven".