11387858 has 16 divisors (see below), whose sum is σ = 18162144. Its totient is φ = 5336640.

The previous prime is 11387837. The next prime is 11387861. The reversal of 11387858 is 85878311.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9893 + ... + 10983.

It is an arithmetic number, because the mean of its divisors is an integer number (1135134).

Almost surely, 2^11387858 is an apocalyptic number.

11387858 is a deficient number, since it is larger than the sum of its proper divisors (6774286).

11387858 is a wasteful number, since it uses less digits than its factorization.

11387858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417.

The product of its digits is 53760, while the sum is 41.

The square root of 11387858 is about 3374.5900491763. The cubic root of 11387858 is about 224.9817795945.

The spelling of 11387858 in words is "eleven million, three hundred eighty-seven thousand, eight hundred fifty-eight".