13128482 has 4 divisors (see below), whose sum is σ = 19692726. Its totient is φ = 6564240.

The previous prime is 13128461. The next prime is 13128499. The reversal of 13128482 is 28482131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28482131 = 163 ⋅174737.

It can be written as a sum of positive squares in only one way, i.e., 12243001 + 885481 = 3499^2 + 941^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282119 + ... + 3282122.

Almost surely, 2^13128482 is an apocalyptic number.

13128482 is a deficient number, since it is larger than the sum of its proper divisors (6564244).

13128482 is an equidigital number, since it uses as much as digits as its factorization.

13128482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564243.

The product of its digits is 3072, while the sum is 29.

The square root of 13128482 is about 3623.3247163344. The cubic root of 13128482 is about 235.9055568672.

The spelling of 13128482 in words is "thirteen million, one hundred twenty-eight thousand, four hundred eighty-two".