11243887 has 2 divisors, whose sum is σ = 11243888. Its totient is φ = 11243886.

The previous prime is 11243879. The next prime is 11243891. The reversal of 11243887 is 78834211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11243887 - 2³ = 11243879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11243867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621943 + 5621944.

It is an arithmetic number, because the mean of its divisors is an integer number (5621944).

Almost surely, 2^11243887 is an apocalyptic number.

11243887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243887 is an equidigital number, since it uses as much as digits as its factorization.

11243887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 34.

The square root of 11243887 is about 3353.1905701883. The cubic root of 11243887 is about 224.0296450454.

The spelling of 11243887 in words is "eleven million, two hundred forty-three thousand, eight hundred eighty-seven".