12404263 has 8 divisors (see below), whose sum is σ = 12841920. Its totient is φ = 11973120.

The previous prime is 12404201. The next prime is 12404269. The reversal of 12404263 is 36240421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12404263 - 2¹³ = 12396071 is a prime.

It is a super-3 number, since 3×12404263³ (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 (12404269) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2418 + ... + 5536.

It is an arithmetic number, because the mean of its divisors is an integer number (1605240).

Almost surely, 2^12404263 is an apocalyptic number.

12404263 is a deficient number, since it is larger than the sum of its proper divisors (437657).

12404263 is an equidigital number, since it uses as much as digits as its factorization.

12404263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257.

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

The square root of 12404263 is about 3521.9686256411. The cubic root of 12404263 is about 231.4854268575.

Adding to 12404263 its reverse (36240421), we get a palindrome (48644684).

The spelling of 12404263 in words is "twelve million, four hundred four thousand, two hundred sixty-three".