12786263 has 4 divisors (see below), whose sum is σ = 14612880. Its totient is φ = 10959648.

The previous prime is 12786253. The next prime is 12786269. The reversal of 12786263 is 36268721.

It is a happy number.

12786263 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12786263 - 2¹⁴ = 12769879 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 (12786269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913298 + ... + 913311.

It is an arithmetic number, because the mean of its divisors is an integer number (3653220).

Almost surely, 2^12786263 is an apocalyptic number.

12786263 is a deficient number, since it is larger than the sum of its proper divisors (1826617).

12786263 is an equidigital number, since it uses as much as digits as its factorization.

12786263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826616.

The product of its digits is 24192, while the sum is 35.

The square root of 12786263 is about 3575.7884445252. The cubic root of 12786263 is about 233.8377073707.

The spelling of 12786263 in words is "twelve million, seven hundred eighty-six thousand, two hundred sixty-three".