11206887 has 12 divisors (see below), whose sum is σ = 15171624. Its totient is φ = 7358400.

The previous prime is 11206883. The next prime is 11206933. The reversal of 11206887 is 78860211.

It is a happy number.

It is not a de Polignac number, because 11206887 - 2² = 11206883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11206883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15637 + ... + 16337.

It is an arithmetic number, because the mean of its divisors is an integer number (1264302).

Almost surely, 2^11206887 is an apocalyptic number.

11206887 is a deficient number, since it is larger than the sum of its proper divisors (3964737).

11206887 is an frugal number, since it uses more digits than its factorization.

11206887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 11206887 is about 3347.6688904370. The cubic root of 11206887 is about 223.7836386074.

The spelling of 11206887 in words is "eleven million, two hundred six thousand, eight hundred eighty-seven".