11112987 has 16 divisors (see below), whose sum is σ = 15513120. Its totient is φ = 7068672.

The previous prime is 11112977. The next prime is 11112989. The reversal of 11112987 is 78921111.

11112987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11112987 - 2⁴ = 11112971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112989) 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 15 ways as a sum of consecutive naturals, for example, 4939 + ... + 6827.

It is an arithmetic number, because the mean of its divisors is an integer number (969570).

Almost surely, 2^11112987 is an apocalyptic number.

11112987 is a deficient number, since it is larger than the sum of its proper divisors (4400133).

11112987 is a wasteful number, since it uses less digits than its factorization.

11112987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982.

The product of its digits is 1008, while the sum is 30.

The square root of 11112987 is about 3333.6147047912. The cubic root of 11112987 is about 223.1568738057.

The spelling of 11112987 in words is "eleven million, one hundred twelve thousand, nine hundred eighty-seven".