12218469 has 8 divisors (see below), whose sum is σ = 16333920. Its totient is φ = 8124336.

The previous prime is 12218443. The next prime is 12218489. The reversal of 12218469 is 96481221.

12218469 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 not a de Polignac number, because 12218469 - 2⁹ = 12217957 is a prime.

It is a super-2 number, since 2×12218469² = 298581969407922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12218489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3939 + ... + 6320.

It is an arithmetic number, because the mean of its divisors is an integer number (2041740).

Almost surely, 2^12218469 is an apocalyptic number.

It is an amenable number.

12218469 is a deficient number, since it is larger than the sum of its proper divisors (4115451).

12218469 is a wasteful number, since it uses less digits than its factorization.

12218469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10659.

The product of its digits is 6912, while the sum is 33.

The square root of 12218469 is about 3495.4926691384. The cubic root of 12218469 is about 230.3238600828.

The spelling of 12218469 in words is "twelve million, two hundred eighteen thousand, four hundred sixty-nine".