12305214 has 24 divisors (see below), whose sum is σ = 26914680. Its totient is φ = 4062768.

The previous prime is 12305213. The next prime is 12305221. The reversal of 12305214 is 41250321.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12305213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1269 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (1121445).

Almost surely, 2^12305214 is an apocalyptic number.

12305214 is an abundant number, since it is smaller than the sum of its proper divisors (14609466).

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

12305214 is a wasteful number, since it uses less digits than its factorization.

12305214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504 (or 6501 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12305214 is about 3507.8788462545. The cubic root of 12305214 is about 230.8676365442.

Adding to 12305214 its reverse (41250321), we get a palindrome (53555535).

The spelling of 12305214 in words is "twelve million, three hundred five thousand, two hundred fourteen".