12331263 has 16 divisors (see below), whose sum is σ = 18976256. Its totient is φ = 6976800.

The previous prime is 12331237. The next prime is 12331301. The reversal of 12331263 is 36213321.

It is not a de Polignac number, because 12331263 - 2¹² = 12327167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688 + ... + 5013.

It is an arithmetic number, because the mean of its divisors is an integer number (1186016).

Almost surely, 2^12331263 is an apocalyptic number.

12331263 is a deficient number, since it is larger than the sum of its proper divisors (6644993).

12331263 is a wasteful number, since it uses less digits than its factorization.

12331263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814.

The product of its digits is 648, while the sum is 21.

The square root of 12331263 is about 3511.5898108976. The cubic root of 12331263 is about 231.0304302034.

Adding to 12331263 its reverse (36213321), we get a palindrome (48544584).

The spelling of 12331263 in words is "twelve million, three hundred thirty-one thousand, two hundred sixty-three".