13662293 has 2 divisors, whose sum is σ = 13662294. Its totient is φ = 13662292.

The previous prime is 13662283. The next prime is 13662323. The reversal of 13662293 is 39226631.

13662293 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10195249 + 3467044 = 3193^2 + 1862^2 .

It is an emirp because it is prime and its reverse (39226631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13662293 - 2¹⁰ = 13661269 is a prime.

It is a super-3 number, since 3×13662293³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13662263) 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, 6831146 + 6831147.

It is an arithmetic number, because the mean of its divisors is an integer number (6831147).

Almost surely, 2^13662293 is an apocalyptic number.

It is an amenable number.

13662293 is a deficient number, since it is larger than the sum of its proper divisors (1).

13662293 is an equidigital number, since it uses as much as digits as its factorization.

13662293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 13662293 is about 3696.2539144382. The cubic root of 13662293 is about 239.0605228281.

The spelling of 13662293 in words is "thirteen million, six hundred sixty-two thousand, two hundred ninety-three".