11218490 has 16 divisors (see below), whose sum is σ = 20245248. Its totient is φ = 4475856.

The previous prime is 11218489. The next prime is 11218517. The reversal of 11218490 is 9481211.

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 7 ways as a sum of consecutive naturals, for example, 3419 + ... + 5841.

It is an arithmetic number, because the mean of its divisors is an integer number (1265328).

Almost surely, 2^11218490 is an apocalyptic number.

11218490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11218490 is a deficient number, since it is larger than the sum of its proper divisors (9026758).

11218490 is a wasteful number, since it uses less digits than its factorization.

11218490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11218490 is about 3349.4014390634. The cubic root of 11218490 is about 223.8608430967.

The spelling of 11218490 in words is "eleven million, two hundred eighteen thousand, four hundred ninety".