13389065 has 8 divisors (see below), whose sum is σ = 16226568. Its totient is φ = 10604800.

The previous prime is 13389049. The next prime is 13389107. The reversal of 13389065 is 56098331.

It can be written as a sum of positive squares in 4 ways, for example, as 2393209 + 10995856 = 1547^2 + 3316^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13389065 - 2⁴ = 13389049 is a prime.

It is a Duffinian 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, 12752 + ... + 13761.

It is an arithmetic number, because the mean of its divisors is an integer number (2028321).

Almost surely, 2^13389065 is an apocalyptic number.

It is an amenable number.

13389065 is a deficient number, since it is larger than the sum of its proper divisors (2837503).

13389065 is a wasteful number, since it uses less digits than its factorization.

13389065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26619.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 13389065 is about 3659.1071315281. The cubic root of 13389065 is about 237.4561470280.

It can be divided in two parts, 133 and 89065, that added together give a palindrome (89198).

The spelling of 13389065 in words is "thirteen million, three hundred eighty-nine thousand, sixty-five".