13082865 has 16 divisors (see below), whose sum is σ = 20979648. Its totient is φ = 6961856.

The previous prime is 13082863. The next prime is 13082903. The reversal of 13082865 is 56828031.

It is a happy number.

13082865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13082865 - 2¹ = 13082863 is a prime.

It is a super-2 number, since 2×13082865² = 342322713216450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13082863) 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, 9607 + ... + 10883.

It is an arithmetic number, because the mean of its divisors is an integer number (1311228).

Almost surely, 2^13082865 is an apocalyptic number.

13082865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13082865 is a deficient number, since it is larger than the sum of its proper divisors (7896783).

13082865 is a wasteful number, since it uses less digits than its factorization.

13082865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 13082865 is about 3617.0243294731. The cubic root of 13082865 is about 235.6320093274.

The spelling of 13082865 in words is "thirteen million, eighty-two thousand, eight hundred sixty-five".