13877893 has 2 divisors, whose sum is σ = 13877894. Its totient is φ = 13877892.

The previous prime is 13877879. The next prime is 13877909. The reversal of 13877893 is 39877831.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11512449 + 2365444 = 3393^2 + 1538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13877893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13877833) by changing a digit.

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 as a sum of consecutive naturals, namely, 6938946 + 6938947.

It is an arithmetic number, because the mean of its divisors is an integer number (6938947).

Almost surely, 2^13877893 is an apocalyptic number.

It is an amenable number.

13877893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13877893 is an equidigital number, since it uses as much as digits as its factorization.

13877893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

The square root of 13877893 is about 3725.3044170913. The cubic root of 13877893 is about 240.3114763724.

The spelling of 13877893 in words is "thirteen million, eight hundred seventy-seven thousand, eight hundred ninety-three".