13989073 has 16 divisors (see below), whose sum is σ = 17003520. Its totient is φ = 11241936.

The previous prime is 13989067. The next prime is 13989119. The reversal of 13989073 is 37098931.

It is a cyclic number.

It is not a de Polignac number, because 13989073 - 2⁹ = 13988561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13989473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13740 + ... + 14722.

It is an arithmetic number, because the mean of its divisors is an integer number (1062720).

Almost surely, 2^13989073 is an apocalyptic number.

It is an amenable number.

13989073 is a deficient number, since it is larger than the sum of its proper divisors (3014447).

13989073 is a wasteful number, since it uses less digits than its factorization.

13989073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 13989073 is about 3740.1969199495. The cubic root of 13989073 is about 240.9515062291.

The spelling of 13989073 in words is "thirteen million, nine hundred eighty-nine thousand, seventy-three".