13868443 has 2 divisors, whose sum is σ = 13868444. Its totient is φ = 13868442.

The previous prime is 13868419. The next prime is 13868497. The reversal of 13868443 is 34486831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13868443 - 2¹³ = 13860251 is a prime.

It is a super-2 number, since 2×13868443² = 384667422488498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13868843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6934221 + 6934222.

It is an arithmetic number, because the mean of its divisors is an integer number (6934222).

Almost surely, 2^13868443 is an apocalyptic number.

13868443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13868443 is an equidigital number, since it uses as much as digits as its factorization.

13868443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 13868443 is about 3724.0358483774. The cubic root of 13868443 is about 240.2569181600.

The spelling of 13868443 in words is "thirteen million, eight hundred sixty-eight thousand, four hundred forty-three".