12126263 has 12 divisors (see below), whose sum is σ = 12894840. Its totient is φ = 11387376.

The previous prime is 12126223. The next prime is 12126299. The reversal of 12126263 is 36262121.

It is not a de Polignac number, because 12126263 - 2¹² = 12122167 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 (12126223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153458 + ... + 153536.

It is an arithmetic number, because the mean of its divisors is an integer number (1074570).

Almost surely, 2^12126263 is an apocalyptic number.

12126263 is a deficient number, since it is larger than the sum of its proper divisors (768577).

12126263 is an frugal number, since it uses more digits than its factorization.

12126263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 175 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 12126263 is about 3482.2784208044. The cubic root of 12126263 is about 229.7430211131.

Adding to 12126263 its reverse (36262121), we get a palindrome (48388384).

The spelling of 12126263 in words is "twelve million, one hundred twenty-six thousand, two hundred sixty-three".