12423514 has 4 divisors (see below), whose sum is σ = 18635274. Its totient is φ = 6211756.

The previous prime is 12423491. The next prime is 12423539. The reversal of 12423514 is 41532421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41532421 = 7 ⋅5933203.

It can be written as a sum of positive squares in only one way, i.e., 8151025 + 4272489 = 2855^2 + 2067^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105877 + ... + 3105880.

Almost surely, 2^12423514 is an apocalyptic number.

12423514 is a deficient number, since it is larger than the sum of its proper divisors (6211760).

12423514 is an equidigital number, since it uses as much as digits as its factorization.

12423514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211759.

The product of its digits is 960, while the sum is 22.

The square root of 12423514 is about 3524.7005546571. The cubic root of 12423514 is about 231.6051174988.

Adding to 12423514 its reverse (41532421), we get a palindrome (53955935).

The spelling of 12423514 in words is "twelve million, four hundred twenty-three thousand, five hundred fourteen".