12423413 has 4 divisors (see below), whose sum is σ = 13154220. Its totient is φ = 11692608.

The previous prime is 12423409. The next prime is 12423457. The reversal of 12423413 is 31432421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31432421 = 23 ⋅1366627.

It can be written as a sum of positive squares in 2 ways, for example, as 9012004 + 3411409 = 3002^2 + 1847^2 .

It is a cyclic number.

It is not a de Polignac number, because 12423413 - 2² = 12423409 is a prime.

It is a super-3 number, since 3×12423413³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423113) 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, 365378 + ... + 365411.

It is an arithmetic number, because the mean of its divisors is an integer number (3288555).

Almost surely, 2^12423413 is an apocalyptic number.

It is an amenable number.

12423413 is a deficient number, since it is larger than the sum of its proper divisors (730807).

12423413 is an equidigital number, since it uses as much as digits as its factorization.

12423413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730806.

The product of its digits is 576, while the sum is 20.

The square root of 12423413 is about 3524.6862271697. The cubic root of 12423413 is about 231.6044898670.

Adding to 12423413 its reverse (31432421), we get a palindrome (43855834).

The spelling of 12423413 in words is "twelve million, four hundred twenty-three thousand, four hundred thirteen".