11387705 has 16 divisors (see below), whose sum is σ = 16536960. Its totient is φ = 7348992.

The previous prime is 11387693. The next prime is 11387729. The reversal of 11387705 is 50778311.

It is not a de Polignac number, because 11387705 - 2⁸ = 11387449 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 8975 + ... + 10164.

It is an arithmetic number, because the mean of its divisors is an integer number (1033560).

Almost surely, 2^11387705 is an apocalyptic number.

It is an amenable number.

11387705 is a deficient number, since it is larger than the sum of its proper divisors (5149255).

11387705 is a wasteful number, since it uses less digits than its factorization.

11387705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19168.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 11387705 is about 3374.5673796799. The cubic root of 11387705 is about 224.9807720194.

The spelling of 11387705 in words is "eleven million, three hundred eighty-seven thousand, seven hundred five".