13015289 has 4 divisors (see below), whose sum is σ = 14874624. Its totient is φ = 11155956.

The previous prime is 13015279. The next prime is 13015291. The reversal of 13015289 is 98251031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98251031 = 1879 ⋅52289.

It is not a de Polignac number, because 13015289 - 2⁴ = 13015273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13015279) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 929657 + ... + 929670.

It is an arithmetic number, because the mean of its divisors is an integer number (3718656).

Almost surely, 2^13015289 is an apocalyptic number.

It is an amenable number.

13015289 is a deficient number, since it is larger than the sum of its proper divisors (1859335).

13015289 is an equidigital number, since it uses as much as digits as its factorization.

13015289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859334.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 13015289 is about 3607.6708552749. The cubic root of 13015289 is about 235.2256110082.

The spelling of 13015289 in words is "thirteen million, fifteen thousand, two hundred eighty-nine".