13892443 has 4 divisors (see below), whose sum is σ = 13906080. Its totient is φ = 13878808.

The previous prime is 13892441. The next prime is 13892447. The reversal of 13892443 is 34429831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34429831 = 4391 ⋅7841.

It is a cyclic number.

It is not a de Polignac number, because 13892443 - 2¹ = 13892441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13892399 and 13892408.

It is not an unprimeable number, because it can be changed into a prime (13892441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5155 + ... + 7372.

It is an arithmetic number, because the mean of its divisors is an integer number (3476520).

Almost surely, 2^13892443 is an apocalyptic number.

13892443 is a deficient number, since it is larger than the sum of its proper divisors (13637).

13892443 is a wasteful number, since it uses less digits than its factorization.

13892443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13636.

The product of its digits is 20736, while the sum is 34.

The square root of 13892443 is about 3727.2567660412. The cubic root of 13892443 is about 240.3954302968.

The spelling of 13892443 in words is "thirteen million, eight hundred ninety-two thousand, four hundred forty-three".