11826818 has 4 divisors (see below), whose sum is σ = 17740230. Its totient is φ = 5913408.

The previous prime is 11826743. The next prime is 11826821. The reversal of 11826818 is 81862811.

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., 6568969 + 5257849 = 2563^2 + 2293^2 .

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 as a sum of consecutive naturals, namely, 2956703 + ... + 2956706.

Almost surely, 2^11826818 is an apocalyptic number.

11826818 is a deficient number, since it is larger than the sum of its proper divisors (5913412).

11826818 is an equidigital number, since it uses as much as digits as its factorization.

11826818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913411.

The product of its digits is 6144, while the sum is 35.

The square root of 11826818 is about 3439.0141029080. The cubic root of 11826818 is about 227.8361524169.

It can be divided in two parts, 1182 and 6818, that added together give a cube (8000 = 20³).

The spelling of 11826818 in words is "eleven million, eight hundred twenty-six thousand, eight hundred eighteen".