11216990 has 8 divisors (see below), whose sum is σ = 20190600. Its totient is φ = 4486792.

The previous prime is 11216977. The next prime is 11216993. The reversal of 11216990 is 9961211.

11216990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11216993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560840 + ... + 560859.

It is an arithmetic number, because the mean of its divisors is an integer number (2523825).

Almost surely, 2^11216990 is an apocalyptic number.

11216990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11216990 is a deficient number, since it is larger than the sum of its proper divisors (8973610).

11216990 is a wasteful number, since it uses less digits than its factorization.

11216990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121706.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 11216990 is about 3349.1775109719. The cubic root of 11216990 is about 223.8508653358.

The spelling of 11216990 in words is "eleven million, two hundred sixteen thousand, nine hundred ninety".