11818498 has 4 divisors (see below), whose sum is σ = 17727750. Its totient is φ = 5909248.

The previous prime is 11818483. The next prime is 11818511. The reversal of 11818498 is 89481811.

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

It can be written as a sum of positive squares in only one way, i.e., 7546009 + 4272489 = 2747^2 + 2067^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 11818498.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2954623 + ... + 2954626.

Almost surely, 2^11818498 is an apocalyptic number.

11818498 is a deficient number, since it is larger than the sum of its proper divisors (5909252).

11818498 is an equidigital number, since it uses as much as digits as its factorization.

11818498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909251.

The product of its digits is 18432, while the sum is 40.

The square root of 11818498 is about 3437.8042410818. The cubic root of 11818498 is about 227.7827133749.

The spelling of 11818498 in words is "eleven million, eight hundred eighteen thousand, four hundred ninety-eight".