12402463 has 4 divisors (see below), whose sum is σ = 12413440. Its totient is φ = 12391488.

The previous prime is 12402461. The next prime is 12402479. The reversal of 12402463 is 36420421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36420421 = 1831 ⋅19891.

It is a cyclic number.

It is not a de Polignac number, because 12402463 - 2¹ = 12402461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402461) 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, 3570 + ... + 6127.

It is an arithmetic number, because the mean of its divisors is an integer number (3103360).

Almost surely, 2^12402463 is an apocalyptic number.

12402463 is a deficient number, since it is larger than the sum of its proper divisors (10977).

12402463 is an equidigital number, since it uses as much as digits as its factorization.

12402463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10976.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 12402463 is about 3521.7130774667. The cubic root of 12402463 is about 231.4742292575.

Adding to 12402463 its reverse (36420421), we get a palindrome (48822884).

The spelling of 12402463 in words is "twelve million, four hundred two thousand, four hundred sixty-three".