11387005 has 8 divisors (see below), whose sum is σ = 15616512. Its totient is φ = 7808208.

The previous prime is 11387003. The next prime is 11387021. The reversal of 11387005 is 50078311.

11387005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11387005 - 2¹ = 11387003 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11387003) 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 7 ways as a sum of consecutive naturals, for example, 162637 + ... + 162706.

It is an arithmetic number, because the mean of its divisors is an integer number (1952064).

Almost surely, 2^11387005 is an apocalyptic number.

It is an amenable number.

11387005 is a deficient number, since it is larger than the sum of its proper divisors (4229507).

11387005 is an equidigital number, since it uses as much as digits as its factorization.

11387005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325355.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 11387005 is about 3374.4636610875. The cubic root of 11387005 is about 224.9761620836.

The spelling of 11387005 in words is "eleven million, three hundred eighty-seven thousand, five".