13879193 has 2 divisors, whose sum is σ = 13879194. Its totient is φ = 13879192.

The previous prime is 13879183. The next prime is 13879207. The reversal of 13879193 is 39197831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12334144 + 1545049 = 3512^2 + 1243^2 .

It is an emirp because it is prime and its reverse (39197831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13879193 - 2⁸ = 13878937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13879193.

It is not a weakly prime, because it can be changed into another prime (13879133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6939596 + 6939597.

It is an arithmetic number, because the mean of its divisors is an integer number (6939597).

Almost surely, 2^13879193 is an apocalyptic number.

It is an amenable number.

13879193 is a deficient number, since it is larger than the sum of its proper divisors (1).

13879193 is an equidigital number, since it uses as much as digits as its factorization.

13879193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 41.

The square root of 13879193 is about 3725.4788953905. The cubic root of 13879193 is about 240.3189797969.

The spelling of 13879193 in words is "thirteen million, eight hundred seventy-nine thousand, one hundred ninety-three".