12763878 has 32 divisors (see below), whose sum is σ = 26575872. Its totient is φ = 4082400.

The previous prime is 12763859. The next prime is 12763897. The reversal of 12763878 is 87836721.

12763878 is a nontrivial binomial coefficient, being equal to C(5053, 2).

It is an interprime number because it is at equal distance from previous prime (12763859) and next prime (12763897).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30108 + ... + 30528.

It is an arithmetic number, because the mean of its divisors is an integer number (830496).

Almost surely, 2^12763878 is an apocalyptic number.

12763878 is the 5052-nd triangular number.

12763878 is an abundant number, since it is smaller than the sum of its proper divisors (13811994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12763878 is a wasteful number, since it uses less digits than its factorization.

12763878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 112896, while the sum is 42.

The square root of 12763878 is about 3572.6569944510. The cubic root of 12763878 is about 233.7011672229.

The spelling of 12763878 in words is "twelve million, seven hundred sixty-three thousand, eight hundred seventy-eight".