12214533 has 4 divisors (see below), whose sum is σ = 16286048. Its totient is φ = 8143020.

The previous prime is 12214523. The next prime is 12214561. The reversal of 12214533 is 33541221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12214533 - 2⁶ = 12214469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214523) 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, 2035753 + ... + 2035758.

It is an arithmetic number, because the mean of its divisors is an integer number (4071512).

Almost surely, 2^12214533 is an apocalyptic number.

It is an amenable number.

12214533 is a deficient number, since it is larger than the sum of its proper divisors (4071515).

12214533 is an equidigital number, since it uses as much as digits as its factorization.

12214533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071514.

The product of its digits is 720, while the sum is 21.

The square root of 12214533 is about 3494.9296130251. The cubic root of 12214533 is about 230.2991256125.

Adding to 12214533 its reverse (33541221), we get a palindrome (45755754).

The spelling of 12214533 in words is "twelve million, two hundred fourteen thousand, five hundred thirty-three".