11520787 has 8 divisors (see below), whose sum is σ = 11806256. Its totient is φ = 11238912.

The previous prime is 11520763. The next prime is 11520791. The reversal of 11520787 is 78702511.

It is a happy number.

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 11520787 - 2⁷ = 11520659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11520287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6268 + ... + 7894.

It is an arithmetic number, because the mean of its divisors is an integer number (1475782).

Almost surely, 2^11520787 is an apocalyptic number.

11520787 is a deficient number, since it is larger than the sum of its proper divisors (285469).

11520787 is an equidigital number, since it uses as much as digits as its factorization.

11520787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 11520787 is about 3394.2284837648. The cubic root of 11520787 is about 225.8537898376.

It can be divided in two parts, 115 and 20787, that added together give a palindrome (20902).

The spelling of 11520787 in words is "eleven million, five hundred twenty thousand, seven hundred eighty-seven".