13338985 has 16 divisors (see below), whose sum is σ = 18066240. Its totient is φ = 9365440.

The previous prime is 13338979. The next prime is 13338989. The reversal of 13338985 is 58983331.

It is a happy number.

13338985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13338985 - 2³ = 13338977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13338989) 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, 2587 + ... + 5776.

It is an arithmetic number, because the mean of its divisors is an integer number (1129140).

Almost surely, 2^13338985 is an apocalyptic number.

It is an amenable number.

13338985 is a deficient number, since it is larger than the sum of its proper divisors (4727255).

13338985 is a wasteful number, since it uses less digits than its factorization.

13338985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8408.

The product of its digits is 77760, while the sum is 40.

The square root of 13338985 is about 3652.2575210409. The cubic root of 13338985 is about 237.1597195255.

The spelling of 13338985 in words is "thirteen million, three hundred thirty-eight thousand, nine hundred eighty-five".