13128259 has 8 divisors (see below), whose sum is σ = 14081040. Its totient is φ = 12201696.

The previous prime is 13128257. The next prime is 13128289. The reversal of 13128259 is 95282131.

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

It is a cyclic number.

It is not a de Polignac number, because 13128259 - 2¹ = 13128257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13128259.

It is not an unprimeable number, because it can be changed into a prime (13128251) 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, 5512 + ... + 7525.

It is an arithmetic number, because the mean of its divisors is an integer number (1760130).

Almost surely, 2^13128259 is an apocalyptic number.

13128259 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13128259 is a deficient number, since it is larger than the sum of its proper divisors (952781).

13128259 is a wasteful number, since it uses less digits than its factorization.

13128259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13109.

The product of its digits is 4320, while the sum is 31.

The square root of 13128259 is about 3623.2939433615. The cubic root of 13128259 is about 235.9042211648.

The spelling of 13128259 in words is "thirteen million, one hundred twenty-eight thousand, two hundred fifty-nine".