13073439 has 8 divisors (see below), whose sum is σ = 17454640. Its totient is φ = 8703936.

The previous prime is 13073393. The next prime is 13073441. The reversal of 13073439 is 93437031.

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

It is not a de Polignac number, because 13073439 - 2⁸ = 13073183 is a prime.

It is a super-3 number, since 3×13073439³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13073479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (2181830).

Almost surely, 2^13073439 is an apocalyptic number.

13073439 is a deficient number, since it is larger than the sum of its proper divisors (4381201).

13073439 is an equidigital number, since it uses as much as digits as its factorization.

13073439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 13073439 is about 3615.7210899072. The cubic root of 13073439 is about 235.5754060032.

The spelling of 13073439 in words is "thirteen million, seventy-three thousand, four hundred thirty-nine".