13989043 has 4 divisors (see below), whose sum is σ = 13997088. Its totient is φ = 13981000.

The previous prime is 13989007. The next prime is 13989047. The reversal of 13989043 is 34098931.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13989043 - 2¹⁷ = 13857971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13988993 and 13989011.

It is not an unprimeable number, because it can be changed into a prime (13989047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (3499272).

Almost surely, 2^13989043 is an apocalyptic number.

13989043 is a deficient number, since it is larger than the sum of its proper divisors (8045).

13989043 is an equidigital number, since it uses as much as digits as its factorization.

13989043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 13989043 is about 3740.1929094634. The cubic root of 13989043 is about 240.9513339863.

The spelling of 13989043 in words is "thirteen million, nine hundred eighty-nine thousand, forty-three".