11752005 has 16 divisors (see below), whose sum is σ = 19016640. Its totient is φ = 6196608.

The previous prime is 11752003. The next prime is 11752009. The reversal of 11752005 is 50025711.

It is not a de Polignac number, because 11752005 - 2¹ = 11752003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11752003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3067 + ... + 5736.

It is an arithmetic number, because the mean of its divisors is an integer number (1188540).

Almost surely, 2^11752005 is an apocalyptic number.

11752005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11752005 is a deficient number, since it is larger than the sum of its proper divisors (7264635).

11752005 is an equidigital number, since it uses as much as digits as its factorization.

11752005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8900.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 11752005 is about 3428.1197470334. The cubic root of 11752005 is about 227.3547275258.

Adding to 11752005 its reverse (50025711), we get a palindrome (61777716).

The spelling of 11752005 in words is "eleven million, seven hundred fifty-two thousand, five".