13989308 has 24 divisors (see below), whose sum is σ = 25544064. Its totient is φ = 6696000.

The previous prime is 13989289. The next prime is 13989337. The reversal of 13989308 is 80398931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11966 + ... + 13082.

It is an arithmetic number, because the mean of its divisors is an integer number (1064336).

Almost surely, 2^13989308 is an apocalyptic number.

It is an amenable number.

13989308 is a deficient number, since it is larger than the sum of its proper divisors (11554756).

13989308 is a wasteful number, since it uses less digits than its factorization.

13989308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 13989308 is about 3740.2283352758. The cubic root of 13989308 is about 240.9528554557.

The spelling of 13989308 in words is "thirteen million, nine hundred eighty-nine thousand, three hundred eight".