13399853 has 2 divisors, whose sum is σ = 13399854. Its totient is φ = 13399852.

The previous prime is 13399849. The next prime is 13399877. The reversal of 13399853 is 35899331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12482089 + 917764 = 3533^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 13399853 - 2² = 13399849 is a prime.

It is equal to p₈₇₃₅₉₉ and since 13399853 and 873599 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13399853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13399153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6699926 + 6699927.

It is an arithmetic number, because the mean of its divisors is an integer number (6699927).

Almost surely, 2^13399853 is an apocalyptic number.

It is an amenable number.

13399853 is a deficient number, since it is larger than the sum of its proper divisors (1).

13399853 is an equidigital number, since it uses as much as digits as its factorization.

13399853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The square root of 13399853 is about 3660.5809648197. The cubic root of 13399853 is about 237.5199052569.

The spelling of 13399853 in words is "thirteen million, three hundred ninety-nine thousand, eight hundred fifty-three".