13078937 has 4 divisors (see below), whose sum is σ = 13099620. Its totient is φ = 13058256.

The previous prime is 13078907. The next prime is 13078999. The reversal of 13078937 is 73987031.

It is a happy number.

13078937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3225616 + 9853321 = 1796^2 + 3139^2 .

It is a cyclic number.

It is not a de Polignac number, because 13078937 - 2⁶ = 13078873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13078937.

It is not an unprimeable number, because it can be changed into a prime (13078907) 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, 9362 + ... + 10667.

It is an arithmetic number, because the mean of its divisors is an integer number (3274905).

Almost surely, 2^13078937 is an apocalyptic number.

It is an amenable number.

13078937 is a deficient number, since it is larger than the sum of its proper divisors (20683).

13078937 is an equidigital number, since it uses as much as digits as its factorization.

13078937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20682.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 13078937 is about 3616.4813009333. The cubic root of 13078937 is about 235.6084249118.

The spelling of 13078937 in words is "thirteen million, seventy-eight thousand, nine hundred thirty-seven".