13051849 has 2 divisors, whose sum is σ = 13051850. Its totient is φ = 13051848.

The previous prime is 13051823. The next prime is 13051867. The reversal of 13051849 is 94815031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 2424249 = 3260^2 + 1557^2 .

It is an emirp because it is prime and its reverse (94815031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13051849 - 2⁷ = 13051721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13051849.

It is not a weakly prime, because it can be changed into another prime (13051949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6525924 + 6525925.

It is an arithmetic number, because the mean of its divisors is an integer number (6525925).

Almost surely, 2^13051849 is an apocalyptic number.

It is an amenable number.

13051849 is a deficient number, since it is larger than the sum of its proper divisors (1).

13051849 is an equidigital number, since it uses as much as digits as its factorization.

13051849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 13051849 is about 3612.7342830604. The cubic root of 13051849 is about 235.4456550027.

The spelling of 13051849 in words is "thirteen million, fifty-one thousand, eight hundred forty-nine".