12763895 has 4 divisors (see below), whose sum is σ = 15316680. Its totient is φ = 10211112.

The previous prime is 12763859. The next prime is 12763897. The reversal of 12763895 is 59836721.

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

It is a cyclic number.

It is not a de Polignac number, because 12763895 - 2¹⁶ = 12698359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12763897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276385 + ... + 1276394.

It is an arithmetic number, because the mean of its divisors is an integer number (3829170).

Almost surely, 2^12763895 is an apocalyptic number.

12763895 is a deficient number, since it is larger than the sum of its proper divisors (2552785).

12763895 is an equidigital number, since it uses as much as digits as its factorization.

12763895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552784.

The product of its digits is 90720, while the sum is 41.

The square root of 12763895 is about 3572.6593736319. The cubic root of 12763895 is about 233.7012709771.

The spelling of 12763895 in words is "twelve million, seven hundred sixty-three thousand, eight hundred ninety-five".