13705250 has 32 divisors (see below), whose sum is σ = 27636336. Its totient is φ = 5059200.

The previous prime is 13705249. The next prime is 13705253. The reversal of 13705250 is 5250731.

It can be written as a sum of positive squares in 8 ways, for example, as 579121 + 13126129 = 761^2 + 3623^2 .

It is not an unprimeable number, because it can be changed into a prime (13705253) 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 15 ways as a sum of consecutive naturals, for example, 1142 + ... + 5358.

Almost surely, 2^13705250 is an apocalyptic number.

13705250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13705250 is an abundant number, since it is smaller than the sum of its proper divisors (13931086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13705250 is a wasteful number, since it uses less digits than its factorization.

13705250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247 (or 4237 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 13705250 is about 3702.0602372193. The cubic root of 13705250 is about 239.3108121634.

Adding to 13705250 its reverse (5250731), we get a palindrome (18955981).

The spelling of 13705250 in words is "thirteen million, seven hundred five thousand, two hundred fifty".