12387263 has 16 divisors (see below), whose sum is σ = 14784000. Its totient is φ = 10154592.

The previous prime is 12387251. The next prime is 12387269. The reversal of 12387263 is 36278321.

It is a happy number.

12387263 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12387263 - 2⁸ = 12387007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12387269) 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, 27998 + ... + 28436.

It is an arithmetic number, because the mean of its divisors is an integer number (924000).

Almost surely, 2^12387263 is an apocalyptic number.

12387263 is a deficient number, since it is larger than the sum of its proper divisors (2396737).

12387263 is a wasteful number, since it uses less digits than its factorization.

12387263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614.

The product of its digits is 12096, while the sum is 32.

The square root of 12387263 is about 3519.5543752015. The cubic root of 12387263 is about 231.3796285155.

The spelling of 12387263 in words is "twelve million, three hundred eighty-seven thousand, two hundred sixty-three".