13289438 has 16 divisors (see below), whose sum is σ = 20913984. Its totient is φ = 6325920.

The previous prime is 13289387. The next prime is 13289447. The reversal of 13289438 is 83498231.

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, 1568 + ... + 5388.

It is an arithmetic number, because the mean of its divisors is an integer number (1307124).

Almost surely, 2^13289438 is an apocalyptic number.

13289438 is a deficient number, since it is larger than the sum of its proper divisors (7624546).

13289438 is a wasteful number, since it uses less digits than its factorization.

13289438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907.

The product of its digits is 41472, while the sum is 38.

The square root of 13289438 is about 3645.4681455199. The cubic root of 13289438 is about 236.8657158546.

The spelling of 13289438 in words is "thirteen million, two hundred eighty-nine thousand, four hundred thirty-eight".