11998306 has 8 divisors (see below), whose sum is σ = 18017280. Its totient is φ = 5992548.

The previous prime is 11998303. The next prime is 11998369. The reversal of 11998306 is 60389911.

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

It is not an unprimeable number, because it can be changed into a prime (11998303) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 586 + ... + 4933.

It is an arithmetic number, because the mean of its divisors is an integer number (2252160).

Almost surely, 2^11998306 is an apocalyptic number.

11998306 is a deficient number, since it is larger than the sum of its proper divisors (6018974).

11998306 is a wasteful number, since it uses less digits than its factorization.

11998306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6608.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11998306 is about 3463.8570986691. The cubic root of 11998306 is about 228.9320749708.

The spelling of 11998306 in words is "eleven million, nine hundred ninety-eight thousand, three hundred six".