13031065 has 8 divisors (see below), whose sum is σ = 15657408. Its totient is φ = 10411440.

The previous prime is 13031033. The next prime is 13031099. The reversal of 13031065 is 56013031.

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

It is not a de Polignac number, because 13031065 - 2⁵ = 13031033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5050 + ... + 7180.

It is an arithmetic number, because the mean of its divisors is an integer number (1957176).

Almost surely, 2^13031065 is an apocalyptic number.

It is an amenable number.

13031065 is a deficient number, since it is larger than the sum of its proper divisors (2626343).

13031065 is a wasteful number, since it uses less digits than its factorization.

13031065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 13031065 is about 3609.8566453531. The cubic root of 13031065 is about 235.3206126353.

Adding to 13031065 its reverse (56013031), we get a palindrome (69044096).

The spelling of 13031065 in words is "thirteen million, thirty-one thousand, sixty-five".