13005250 has 16 divisors (see below), whose sum is σ = 24346296. Its totient is φ = 5202000.

The previous prime is 13005233. The next prime is 13005259. The reversal of 13005250 is 5250031.

It can be written as a sum of positive squares in 4 ways, for example, as 3721041 + 9284209 = 1929^2 + 3047^2 .

It is not an unprimeable number, because it can be changed into a prime (13005259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25761 + ... + 26260.

Almost surely, 2^13005250 is an apocalyptic number.

13005250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13005250 is a deficient number, since it is larger than the sum of its proper divisors (11341046).

13005250 is an equidigital number, since it uses as much as digits as its factorization.

13005250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52038 (or 52028 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 13005250 is about 3606.2792459819. The cubic root of 13005250 is about 235.1651170944.

Adding to 13005250 its reverse (5250031), we get a palindrome (18255281).

The spelling of 13005250 in words is "thirteen million, five thousand, two hundred fifty".