11398587 has 8 divisors (see below), whose sum is σ = 15223104. Its totient is φ = 7586568.

The previous prime is 11398573. The next prime is 11398589. The reversal of 11398587 is 78589311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11398587 - 2⁴ = 11398571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11398589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733 + ... + 4830.

It is an arithmetic number, because the mean of its divisors is an integer number (1902888).

Almost surely, 2^11398587 is an apocalyptic number.

11398587 is a deficient number, since it is larger than the sum of its proper divisors (3824517).

11398587 is an equidigital number, since it uses as much as digits as its factorization.

11398587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249.

The product of its digits is 60480, while the sum is 42.

The square root of 11398587 is about 3376.1793495014. The cubic root of 11398587 is about 225.0524124812.

The spelling of 11398587 in words is "eleven million, three hundred ninety-eight thousand, five hundred eighty-seven".