18812026 has 8 divisors (see below), whose sum is σ = 28241460. Its totient is φ = 9398208.

The previous prime is 18811997. The next prime is 18812051. The reversal of 18812026 is 62021881.

It can be written as a sum of positive squares in 2 ways, for example, as 18481401 + 330625 = 4299^2 + 575^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 18811985 and 18812003.

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 in 3 ways as a sum of consecutive naturals, for example, 181 + ... + 6136.

Almost surely, 2^18812026 is an apocalyptic number.

18812026 is a deficient number, since it is larger than the sum of its proper divisors (9429434).

18812026 is a wasteful number, since it uses less digits than its factorization.

18812026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 18812026 is about 4337.2832510686. The cubic root of 18812026 is about 265.9572641314.

The spelling of 18812026 in words is "eighteen million, eight hundred twelve thousand, twenty-six".