11298985 has 8 divisors (see below), whose sum is σ = 13889736. Its totient is φ = 8818560.

The previous prime is 11298961. The next prime is 11299007. The reversal of 11298985 is 58989211.

11298985 = 240² + 241² + ... + 362².

11298985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1338649 + 9960336 = 1157^2 + 3156^2 .

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

It is not a de Polignac number, because 11298985 - 2¹⁵ = 11266217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27354 + ... + 27763.

It is an arithmetic number, because the mean of its divisors is an integer number (1736217).

Almost surely, 2^11298985 is an apocalyptic number.

It is an amenable number.

11298985 is a deficient number, since it is larger than the sum of its proper divisors (2590751).

11298985 is an equidigital number, since it uses as much as digits as its factorization.

11298985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55163.

The product of its digits is 51840, while the sum is 43.

The square root of 11298985 is about 3361.3962872592. The cubic root of 11298985 is about 224.3949836460.

The spelling of 11298985 in words is "eleven million, two hundred ninety-eight thousand, nine hundred eighty-five".