12402413 has 4 divisors (see below), whose sum is σ = 12438300. Its totient is φ = 12366528.

The previous prime is 12402391. The next prime is 12402431. The reversal of 12402413 is 31420421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31420421 = 937 ⋅33533.

It can be written as a sum of positive squares in 2 ways, for example, as 9653449 + 2748964 = 3107^2 + 1658^2 .

It is a cyclic number.

It is not a de Polignac number, because 12402413 - 2⁶ = 12402349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12402391 and 12402400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17420 + ... + 18117.

It is an arithmetic number, because the mean of its divisors is an integer number (3109575).

Almost surely, 2^12402413 is an apocalyptic number.

It is an amenable number.

12402413 is a deficient number, since it is larger than the sum of its proper divisors (35887).

12402413 is an equidigital number, since it uses as much as digits as its factorization.

12402413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35886.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12402413 is about 3521.7059786416. The cubic root of 12402413 is about 231.4739181976.

Adding to 12402413 its reverse (31420421), we get a palindrome (43822834).

The spelling of 12402413 in words is "twelve million, four hundred two thousand, four hundred thirteen".