13089479 has 4 divisors (see below), whose sum is σ = 14096376. Its totient is φ = 12082584.

The previous prime is 13089467. The next prime is 13089481. The reversal of 13089479 is 97498031.

It is a happy number.

13089479 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97498031 = 59 ⋅1652509.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13089479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13029479) 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, 503429 + ... + 503454.

It is an arithmetic number, because the mean of its divisors is an integer number (3524094).

Almost surely, 2^13089479 is an apocalyptic number.

13089479 is a deficient number, since it is larger than the sum of its proper divisors (1006897).

13089479 is a wasteful number, since it uses less digits than its factorization.

13089479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006896.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 13089479 is about 3617.9385014121. The cubic root of 13089479 is about 235.6717103042.

The spelling of 13089479 in words is "thirteen million, eighty-nine thousand, four hundred seventy-nine".