11297218 has 8 divisors (see below), whose sum is σ = 17340048. Its totient is φ = 5517204.

The previous prime is 11297207. The next prime is 11297219. The reversal of 11297218 is 81279211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11297218.

It is not an unprimeable number, because it can be changed into a prime (11297219) 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, 65596 + ... + 65767.

It is an arithmetic number, because the mean of its divisors is an integer number (2167506).

Almost surely, 2^11297218 is an apocalyptic number.

11297218 is a deficient number, since it is larger than the sum of its proper divisors (6042830).

11297218 is a wasteful number, since it uses less digits than its factorization.

11297218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131408.

The product of its digits is 2016, while the sum is 31.

The square root of 11297218 is about 3361.1334397789. The cubic root of 11297218 is about 224.3832856451.

The spelling of 11297218 in words is "eleven million, two hundred ninety-seven thousand, two hundred eighteen".