11322987 has 16 divisors (see below), whose sum is σ = 16343040. Its totient is φ = 6931872.

The previous prime is 11322977. The next prime is 11322989. The reversal of 11322987 is 78922311.

It is not a de Polignac number, because 11322987 - 2⁷ = 11322859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11322989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8214 + ... + 9492.

It is an arithmetic number, because the mean of its divisors is an integer number (1021440).

Almost surely, 2^11322987 is an apocalyptic number.

11322987 is a deficient number, since it is larger than the sum of its proper divisors (5020053).

11322987 is a wasteful number, since it uses less digits than its factorization.

11322987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its digits is 6048, while the sum is 33.

The square root of 11322987 is about 3364.9646357726. The cubic root of 11322987 is about 224.5537624857.

The spelling of 11322987 in words is "eleven million, three hundred twenty-two thousand, nine hundred eighty-seven".