13989063 has 16 divisors (see below), whose sum is σ = 20630016. Its totient is φ = 8360640.

The previous prime is 13989047. The next prime is 13989067. The reversal of 13989063 is 36098931.

It is not a de Polignac number, because 13989063 - 2⁴ = 13989047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13989067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495 + ... + 5312.

It is an arithmetic number, because the mean of its divisors is an integer number (1289376).

Almost surely, 2^13989063 is an apocalyptic number.

13989063 is a deficient number, since it is larger than the sum of its proper divisors (6640953).

13989063 is a wasteful number, since it uses less digits than its factorization.

13989063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 13989063 is about 3740.1955831213. The cubic root of 13989063 is about 240.9514488149.

The spelling of 13989063 in words is "thirteen million, nine hundred eighty-nine thousand, sixty-three".