12214536 has 32 divisors (see below), whose sum is σ = 30844800. Its totient is φ = 4030400.

The previous prime is 12214523. The next prime is 12214561. The reversal of 12214536 is 63541221.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96 + ... + 4943.

It is an arithmetic number, because the mean of its divisors is an integer number (963900).

Almost surely, 2^12214536 is an apocalyptic number.

It is an amenable number.

12214536 is an abundant number, since it is smaller than the sum of its proper divisors (18630264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12214536 is a wasteful number, since it uses less digits than its factorization.

12214536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149 (or 5145 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 12214536 is about 3494.9300422183. The cubic root of 12214536 is about 230.2991444670.

Adding to 12214536 its reverse (63541221), we get a palindrome (75755757).

The spelling of 12214536 in words is "twelve million, two hundred fourteen thousand, five hundred thirty-six".