12763361 has 4 divisors (see below), whose sum is σ = 13745172. Its totient is φ = 11781552.

The previous prime is 12763349. The next prime is 12763363. The reversal of 12763361 is 16336721.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1500625 + 11262736 = 1225^2 + 3356^2 .

It is a cyclic number.

It is not a de Polignac number, because 12763361 - 2⁶ = 12763297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12763363) 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, 490886 + ... + 490911.

It is an arithmetic number, because the mean of its divisors is an integer number (3436293).

Almost surely, 2^12763361 is an apocalyptic number.

It is an amenable number.

12763361 is a deficient number, since it is larger than the sum of its proper divisors (981811).

12763361 is an equidigital number, since it uses as much as digits as its factorization.

12763361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981810.

The product of its digits is 4536, while the sum is 29.

The square root of 12763361 is about 3572.5846386055. The cubic root of 12763361 is about 233.6980118304.

The spelling of 12763361 in words is "twelve million, seven hundred sixty-three thousand, three hundred sixty-one".