13195849 has 2 divisors, whose sum is σ = 13195850. Its totient is φ = 13195848.

The previous prime is 13195843. The next prime is 13195873. The reversal of 13195849 is 94859131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8020224 + 5175625 = 2832^2 + 2275^2 .

It is an emirp because it is prime and its reverse (94859131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13195849 - 2⁵ = 13195817 is a prime.

It is not a weakly prime, because it can be changed into another prime (13195843) 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, 6597924 + 6597925.

It is an arithmetic number, because the mean of its divisors is an integer number (6597925).

Almost surely, 2^13195849 is an apocalyptic number.

It is an amenable number.

13195849 is a deficient number, since it is larger than the sum of its proper divisors (1).

13195849 is an equidigital number, since it uses as much as digits as its factorization.

13195849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 40.

The square root of 13195849 is about 3632.6091174251. The cubic root of 13195849 is about 236.3083742915.

The spelling of 13195849 in words is "thirteen million, one hundred ninety-five thousand, eight hundred forty-nine".