11387105 has 8 divisors (see below), whose sum is σ = 13818600. Its totient is φ = 9006976.

The previous prime is 11387087. The next prime is 11387143. The reversal of 11387105 is 50178311.

It can be written as a sum of positive squares in 4 ways, for example, as 1658944 + 9728161 = 1288^2 + 3119^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11387105 - 2⁸ = 11386849 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12350 + ... + 13239.

It is an arithmetic number, because the mean of its divisors is an integer number (1727325).

Almost surely, 2^11387105 is an apocalyptic number.

It is an amenable number.

11387105 is a deficient number, since it is larger than the sum of its proper divisors (2431495).

11387105 is an equidigital number, since it uses as much as digits as its factorization.

11387105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25683.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 11387105 is about 3374.4784782245. The cubic root of 11387105 is about 224.9768206574.

The spelling of 11387105 in words is "eleven million, three hundred eighty-seven thousand, one hundred five".