11298778 has 8 divisors (see below), whose sum is σ = 17945172. Its totient is φ = 5317056.

The previous prime is 11298767. The next prime is 11298797. The reversal of 11298778 is 87789211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11242609 + 56169 = 3353^2 + 237^2 .

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

It is a house number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166125 + ... + 166192.

Almost surely, 2^11298778 is an apocalyptic number.

11298778 is a deficient number, since it is larger than the sum of its proper divisors (6646394).

11298778 is a wasteful number, since it uses less digits than its factorization.

11298778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332336.

The product of its digits is 56448, while the sum is 43.

The square root of 11298778 is about 3361.3654963422. The cubic root of 11298778 is about 224.3936133151.

The spelling of 11298778 in words is "eleven million, two hundred ninety-eight thousand, seven hundred seventy-eight".