11869798 has 4 divisors (see below), whose sum is σ = 17804700. Its totient is φ = 5934898.

The previous prime is 11869789. The next prime is 11869811. The reversal of 11869798 is 89796811.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2967448 + ... + 2967451.

It is an arithmetic number, because the mean of its divisors is an integer number (4451175).

Almost surely, 2^11869798 is an apocalyptic number.

11869798 is a deficient number, since it is larger than the sum of its proper divisors (5934902).

11869798 is an equidigital number, since it uses as much as digits as its factorization.

11869798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934901.

The product of its digits is 217728, while the sum is 49.

The square root of 11869798 is about 3445.2573198529. The cubic root of 11869798 is about 228.1118129113. Note that the first 3 decimals are identical.

The spelling of 11869798 in words is "eleven million, eight hundred sixty-nine thousand, seven hundred ninety-eight".