13998653 has 2 divisors, whose sum is σ = 13998654. Its totient is φ = 13998652.

The previous prime is 13998631. The next prime is 13998659. The reversal of 13998653 is 35689931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13227769 + 770884 = 3637^2 + 878^2 .

It is a cyclic number.

It is not a de Polignac number, because 13998653 - 2¹⁰ = 13997629 is a prime.

It is equal to p₉₀₉₉₉₈ and since 13998653 and 909998 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13998659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6999326 + 6999327.

It is an arithmetic number, because the mean of its divisors is an integer number (6999327).

Almost surely, 2^13998653 is an apocalyptic number.

It is an amenable number.

13998653 is a deficient number, since it is larger than the sum of its proper divisors (1).

13998653 is an equidigital number, since it uses as much as digits as its factorization.

13998653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 44.

The square root of 13998653 is about 3741.4773819977. The cubic root of 13998653 is about 241.0064964991.

The spelling of 13998653 in words is "thirteen million, nine hundred ninety-eight thousand, six hundred fifty-three".