13868073 has 12 divisors (see below), whose sum is σ = 21210228. Its totient is φ = 8701440.

The previous prime is 13868051. The next prime is 13868077. The reversal of 13868073 is 37086831.

13868073 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11471769 + 2396304 = 3387^2 + 1548^2 .

It is not a de Polignac number, because 13868073 - 2¹⁴ = 13851689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13868077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45168 + ... + 45473.

It is an arithmetic number, because the mean of its divisors is an integer number (1767519).

Almost surely, 2^13868073 is an apocalyptic number.

It is an amenable number.

13868073 is a deficient number, since it is larger than the sum of its proper divisors (7342155).

13868073 is a wasteful number, since it uses less digits than its factorization.

13868073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90664 (or 90661 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13868073 is about 3723.9861707584. The cubic root of 13868073 is about 240.2547815142.

The spelling of 13868073 in words is "thirteen million, eight hundred sixty-eight thousand, seventy-three".