13025281 has 8 divisors (see below), whose sum is σ = 13823784. Its totient is φ = 12230400.

The previous prime is 13025267. The next prime is 13025297. The reversal of 13025281 is 18252031.

It can be written as a sum of positive squares in 4 ways, for example, as 10080625 + 2944656 = 3175^2 + 1716^2 .

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 13025281 - 2⁹ = 13024769 is a prime.

It is a super-2 number, since 2×13025281² = 339315890257922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13025231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11371 + ... + 12463.

It is an arithmetic number, because the mean of its divisors is an integer number (1727973).

It is a Proth number, since it is equal to 795 ⋅ 2¹⁴ + 1 and 795 < 2¹⁴.

Almost surely, 2^13025281 is an apocalyptic number.

It is an amenable number.

13025281 is a deficient number, since it is larger than the sum of its proper divisors (798503).

13025281 is a wasteful number, since it uses less digits than its factorization.

13025281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 13025281 is about 3609.0554165876. The cubic root of 13025281 is about 235.2857908242.

The spelling of 13025281 in words is "thirteen million, twenty-five thousand, two hundred eighty-one".