11247887 has 4 divisors (see below), whose sum is σ = 12854736. Its totient is φ = 9641040.

The previous prime is 11247881. The next prime is 11247917. The reversal of 11247887 is 78874211.

11247887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11247887 - 2⁴ = 11247871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11247887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11247881) 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, 803414 + ... + 803427.

It is an arithmetic number, because the mean of its divisors is an integer number (3213684).

Almost surely, 2^11247887 is an apocalyptic number.

11247887 is a deficient number, since it is larger than the sum of its proper divisors (1606849).

11247887 is an equidigital number, since it uses as much as digits as its factorization.

11247887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606848.

The product of its digits is 25088, while the sum is 38.

The square root of 11247887 is about 3353.7869640155. The cubic root of 11247887 is about 224.0562079928.

The spelling of 11247887 in words is "eleven million, two hundred forty-seven thousand, eight hundred eighty-seven".