13078873 has 2 divisors, whose sum is σ = 13078874. Its totient is φ = 13078872.

The previous prime is 13078867. The next prime is 13078889. The reversal of 13078873 is 37887031.

13078873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7333264 + 5745609 = 2708^2 + 2397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13078873 is a prime.

It is not a weakly prime, because it can be changed into another prime (13078823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6539436 + 6539437.

It is an arithmetic number, because the mean of its divisors is an integer number (6539437).

Almost surely, 2^13078873 is an apocalyptic number.

It is an amenable number.

13078873 is a deficient number, since it is larger than the sum of its proper divisors (1).

13078873 is an equidigital number, since it uses as much as digits as its factorization.

13078873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 13078873 is about 3616.4724525427. The cubic root of 13078873 is about 235.6080406052.

It can be divided in two parts, 130 and 78873, that added together give a triangular number (79003 = T₃₉₇).

The spelling of 13078873 in words is "thirteen million, seventy-eight thousand, eight hundred seventy-three".