12421314 has 12 divisors (see below), whose sum is σ = 26912886. Its totient is φ = 4140432.

The previous prime is 12421291. The next prime is 12421327. The reversal of 12421314 is 41312421.

It can be written as a sum of positive squares in only one way, i.e., 7209225 + 5212089 = 2685^2 + 2283^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 690073 = 12421314 / (1 + 2 + 4 + 2 + 1 + 3 + 1 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345019 + ... + 345054.

Almost surely, 2^12421314 is an apocalyptic number.

12421314 is an abundant number, since it is smaller than the sum of its proper divisors (14491572).

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

12421314 is a wasteful number, since it uses less digits than its factorization.

12421314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690081 (or 690078 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 12421314 is about 3524.3884575909. The cubic root of 12421314 is about 231.5914455394.

Adding to 12421314 its reverse (41312421), we get a palindrome (53733735).

It can be divided in two parts, 1242 and 1314, that added together give a triangular number (2556 = T₇₁).

The spelling of 12421314 in words is "twelve million, four hundred twenty-one thousand, three hundred fourteen".