12017214 has 32 divisors (see below), whose sum is σ = 29134080. Its totient is φ = 3641400.

The previous prime is 12017209. The next prime is 12017221. The reversal of 12017214 is 41271021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9522 + ... + 10709.

It is an arithmetic number, because the mean of its divisors is an integer number (910440).

Almost surely, 2^12017214 is an apocalyptic number.

12017214 is an abundant number, since it is smaller than the sum of its proper divisors (17116866).

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

12017214 is a wasteful number, since it uses less digits than its factorization.

12017214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20253 (or 20247 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 12017214 is about 3466.5853516104. The cubic root of 12017214 is about 229.0522690448.

Adding to 12017214 its reverse (41271021), we get a palindrome (53288235).

The spelling of 12017214 in words is "twelve million, seventeen thousand, two hundred fourteen".