11087729 has 4 divisors (see below), whose sum is σ = 11228160. Its totient is φ = 10947300.

The previous prime is 11087719. The next prime is 11087731. The reversal of 11087729 is 92778011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11087729 - 2⁸ = 11087473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11087719) 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 3 ways as a sum of consecutive naturals, for example, 70097 + ... + 70254.

It is an arithmetic number, because the mean of its divisors is an integer number (2807040).

Almost surely, 2^11087729 is an apocalyptic number.

It is an amenable number.

11087729 is a deficient number, since it is larger than the sum of its proper divisors (140431).

11087729 is an equidigital number, since it uses as much as digits as its factorization.

11087729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140430.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 11087729 is about 3329.8241695321. The cubic root of 11087729 is about 222.9876792110.

The spelling of 11087729 in words is "eleven million, eighty-seven thousand, seven hundred twenty-nine".