11312787 has 8 divisors (see below), whose sum is σ = 15491536. Its totient is φ = 7337952.

The previous prime is 11312731. The next prime is 11312801. The reversal of 11312787 is 78721311.

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

It is not a de Polignac number, because 11312787 - 2⁶ = 11312723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312887) 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, 50848 + ... + 51069.

It is an arithmetic number, because the mean of its divisors is an integer number (1936442).

Almost surely, 2^11312787 is an apocalyptic number.

11312787 is a deficient number, since it is larger than the sum of its proper divisors (4178749).

11312787 is a wasteful number, since it uses less digits than its factorization.

11312787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101957.

The product of its digits is 2352, while the sum is 30.

The square root of 11312787 is about 3363.4486765818. The cubic root of 11312787 is about 224.4863145445.

The spelling of 11312787 in words is "eleven million, three hundred twelve thousand, seven hundred eighty-seven".