13082513 has 4 divisors (see below), whose sum is σ = 13112100. Its totient is φ = 13052928.

The previous prime is 13082473. The next prime is 13082519. The reversal of 13082513 is 31528031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10316944 + 2765569 = 3212^2 + 1663^2 .

It is a cyclic number.

It is not a de Polignac number, because 13082513 - 2¹⁸ = 12820369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13082519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14120 + ... + 15017.

It is an arithmetic number, because the mean of its divisors is an integer number (3278025).

Almost surely, 2^13082513 is an apocalyptic number.

It is an amenable number.

13082513 is a deficient number, since it is larger than the sum of its proper divisors (29587).

13082513 is an equidigital number, since it uses as much as digits as its factorization.

13082513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29586.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13082513 is about 3616.9756703633. The cubic root of 13082513 is about 235.6298960489.

The spelling of 13082513 in words is "thirteen million, eighty-two thousand, five hundred thirteen".